Word · Frequency #12095
streamlines
流线
streamlines is the plural of streamline.
核心释义
A line tangent to the velocity of a flowing fluid, equivalent to the path of a particle in that flow.
- 1.
与流体流动速度相切的线;等同于该流动中特定粒子的路径
A line that is tangent to the velocity of flow of a fluid; equivalent to the path of a specific particle in that flow.
- 2.
在天气图上,与风流动相切的线
On a weather chart, a line that is tangent to the flow of the wind.
与流体流动速度相切的线;等同于该流动中特定粒子的路径;在天气图上,与风流动相切的线;流线型
用法In use
The engineer drew a streamline to show how the water moves around the bridge pillar.
用法提示:此处 streamline 是名词,表示流体中表示流动方向的线。
Each streamline on the weather chart represents the path that the air follows at that moment.
用法提示:streamline 为名词,在气象图中指与风向相切的线。
By following the streamlines in the wind tunnel, the students could see the airflow around the wing.
用法提示:streamlines 是 streamline 的复数形式,指多条表示流体运动的线。
the streamlines of sth
常用复数,指某一流场中的多条流线;of 后接具体的流体或风。
The streamlines of the airflow curve sharply around the wing.
气流的流线在机翼周围急剧弯曲。
along a streamline
相关词与表达Connections
易混词Confusing words
- trajectory
- 轨迹;粒子实际经过的路径 · streamline 是与流速相切的几何线(流线),只有在定常流动中才与粒子轨迹重合;trajectory 是粒子实际运动的路径,在非定常流动中两者不同。
- isobar
- 等压线 · 在天气图上,streamline 是与风向相切的线(流线),表示风向;isobar 连接气压相等的点(等压线),表示气压分布。两者都是天气图上的线,但描述的量不同。
- stream
- 一股(水流或气流) · stream 指流动的流体本身(如一股水流或气流),而 streamline 指与流速方向相切的几何线,不指流体本身。
词族Word family
- streamlined
- 流线型的;精简高效的 · adj. (streamline + -ed)
学习提示Learner notes
语法说明Grammar Note
常用复数形式 streamlines;单数表示一条流线。
用法优先级Usage priority
Collins 词频等级为 1,建议结合例句记忆,而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.