clearance between something and something
表示两个物体之间的空间距离。
There is a clearance of 2 meters between the bridge and the water.
桥和水面之间有2米的间隙。
清除；清理
间距；间隙；净空；净高；许可；放行；安全许可；使用许可
the act of clearing something or a space that has been cleared
清除的行为；或被清空的空间。
The act of clearing or something (such as a space) cleared.
间距；物体之间相隔的距离
the distance by which one thing clears another; the space between them
两个运动物体之间的距离,尤指机器部件之间的间隙。
The distance between two moving objects, especially between parts of a machine
净空；允许下方通过的垂直空间
vertical space available to allow easy passage under something
隧道、桥梁或其他通道的高度或宽度,或车辆与通道墙壁或顶部之间的距离；间隙、净空。
The height or width of a tunnel, bridge or other passage, or the distance between a vehicle and the walls or roof of such passage; a gap, headroom.
许可；批准进行
permission to proceed
允许车辆通行或人员旅行的许可。
A permission for a vehicle to proceed, or for a person to travel.
接触敏感或机密文件或其他信息的许可。
A permission to have access to sensitive or secret documents or other information.
使用某项受法律保护但非其他方式保护的事物(通常是知识产权)的许可。
A permission to use something, usually intellectual property, that is legally, but not otherwise, protected.
商品促销,尤指大幅降价销售,通常为给新商品或更新版本腾出空间；有时为清仓处理。
A sale of merchandise, especially at significantly reduced prices, usually in order to make room for new merchandise or updated versions of the same merchandise; sometimes as a closeout.
通过票据交换所结算涉及证券或支票等支付手段的交易。
The settlement of transactions involving securities or means of payment such as checks by means of a clearing house.
从血液中清除有害物质；肾清除率。
The removal of harmful substances from the blood; renal clearance.
在一次击球中打进台面上所有剩余球的行为。
The act of potting all the remaining balls on a table at one visit.
将球踢离自己防守的球门的行为。
The act of kicking a ball away from the goal one is defending.
移走某行、列或斜线上的棋子,使象、车或后能沿其自由移动。
Removal of pieces from a rank, file or diagonal so that a bishop, rook or queen is free to move along it.
纯利润或净收益。
Clear or net profit.
在停止比赛区域外首次处理球,或本身将球传出停止比赛区域的处理。
The first disposal in a chain that leaves the area of a stoppage, or a disposal that leaves the area of a stoppage itself.
离开争球区域的行为。
The act of leaving the area of a stoppage.
The bridge has a clearance of 4.5 meters for vehicles passing underneath.
这座桥的净空高度为4.5米，供下方车辆通行。
用法提示：此处clearance指车辆与桥底之间的空间距离，即净空。
AI contextual example
Make sure there is enough clearance between the shelf and the ceiling before installing the brackets.
安装支架前，确保架子与天花板之间有足够的间隙。
用法提示：clearance表示两物体之间的空隙或间距。
AI contextual example
The mechanic checked the clearance between the piston and the cylinder wall.
机械师检查了活塞与气缸壁之间的间隙。
用法提示：clearance在这里指机械部件之间的容许空间。
AI contextual example
表示两个物体之间的空间距离。
There is a clearance of 2 meters between the bridge and the water.
桥和水面之间有2米的间隙。
通常指为某物或某动作预留的空间。
Make sure there is enough clearance for the truck to pass.
确保有足够的空间让卡车通过。
指官方许可或批准。
The pilot received clearance to land.
飞行员收到着陆许可。
比 clearance 更通用，可指任何空隙或差距，不限于机械或工程语境。
更泛指空间，clearance 特指允许通过或移动所需的间隙。
多用于比喻，指允许的自由或额外空间，不如 clearance 具体。
强调容许的额外空间或误差范围，常用于工程和设计。
特指上方垂直方向的间隙，如车辆或通道的净空。
grammar · medium
易错句子Please clearance this area.
正确表达Please clear this area.
错误：将名词“clearance”误用作动词。在英语中，“clearance”是名词，动词形式是“clear”。中文学习者受中文动词“清除”影响，常错误地将名词形式用作动词。
grammar · medium
易错句子We need clearance of the government.
正确表达We need clearance from the government.
错误：介词使用不当。表示“来自某机构的许可”时，英语中应使用介词“from”，而非“of”。中文中“的”字结构常导致直接对应“clearance of”，但英语习惯搭配是“clearance from”.
与clearance（间隙）相对，指阻塞或阻碍空间
与clearance（间隙）相对，指完全堵住空间
clearance指间隙或清除行为的结果（如许可），而clearing尤指清除出来的空地或清除的动作过程。
离地间隙
The SUV has high ground clearance for off-road driving.
这款SUV离地间隙高，适合越野驾驶。
最小间隙
The engineer specified a minimum clearance of 2 mm.
工程师规定了2毫米的最小间隙。
安全间隙
Keep a safety clearance of at least 1 meter from the machinery.
与机器保持至少1米的安全间隙。
侧向间隙
The side clearance between the walls and the furniture is 15 cm.
墙壁与家具之间的侧向间隙为15厘米。
clear
clear + -ly
clear + -ness
clear + -ing
un- + clear
clear + cut
与clearance共同描述机械配合中的允许偏差和间隙。
clearance通常涉及两个部件之间的尺寸差。
clearance值常由设计规格规定。
合适的clearance对设备安全运行至关重要。
通过检查clearance来验证装配质量。
清仓大甩卖
The store is having a clearance sale on winter coats.
这家商店正在对冬季大衣进行清仓大甩卖。
安全许可
He needed to obtain security clearance before accessing the classified files.
他需要获得安全许可才能访问机密文件。
医疗许可（确认健康状况适合某活动）
The athlete had to pass a medical clearance before competing.
这名运动员在参赛前必须通过医疗许可。
我们获得了许可，克拉伦斯。
Roger Murdock: We have clearance, Clarence.
罗杰·默多克：我们获得了许可，克拉伦斯。
Dictionary facts from ECDICT, WIKTIONARY.