1
apply (a) lubricant to sth
lubricant 是可数名词，复数形式为 lubricants。
Apply a lubricant to the hinge to stop the squeaking.
往铰链上涂润滑剂，消除吱嘎声。
润滑剂；润滑油
lubricants — plural of lubricant
先理解核心含义，再看它在真实句子里的用法。
润滑剂；润滑油
a substance used to reduce friction between surfaces
Apply a lubricant to the hinge to stop the squeaking.
往铰链上涂润滑剂，消除吱嘎声。
用于减少物体或表面之间摩擦的物质。
A substance used to reduce friction between objects or surfaces.
能通过使表面光滑或滑溜来减少摩擦的物质
a substance capable of reducing friction by making surfaces smooth or slippery
个人润滑剂。
A personal lubricant.
The mechanic applied a little lubricant to the door hinge to stop the squeaking.
机械师往门铰链上涂了一点润滑油，以消除吱吱声。
This spray acts as a lubricant for the chain on my bicycle.
这种喷雾用作我自行车链条的润滑剂。
You should use a silicone-based lubricant on plastic parts to avoid damage.
在塑料部件上应使用硅基润滑剂，以免损坏。
lubricant 是可数名词，复数形式为 lubricants。
Apply a lubricant to the hinge to stop the squeaking.
往铰链上涂润滑剂，消除吱嘎声。
as a lubricant 表示“作为润滑剂”。
You can use this oil as a lubricant for the machine.
你可以用这种油作为这台机器的润滑剂。
act as a lubricant 是常用表达，意为“起润滑作用”。
Water acts as a lubricant between the moving parts.
水在运动部件之间起润滑作用。
for 引出润滑剂的使用对象或用途。
This is a good lubricant for bicycle chains.
这是很适合自行车链条的润滑剂。
Not this
You should lubricant the bicycle chain every few weeks.
Use this
You should lubricate the bicycle chain every few weeks.
lubricant 是名词，意为“润滑剂”，不能作动词；表达“上油、润滑”应用动词 lubricate。
Not this
How many lubricant do we need for the engine?
Use this
How much lubricant do we need for the engine?
lubricant 指润滑油这类物质时是不可数名词，不能用 many 修饰；询问数量应用 how much。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
工业润滑剂
This factory uses a high-quality industrial lubricant for its machines.
这家工厂为其机器使用高质量的工业润滑剂。
硅基润滑剂
A silicone lubricant works well on plastic parts.
硅基润滑剂在塑料部件上效果很好。
涂抹润滑剂
Apply lubricant to the door hinge to stop the squeaking.
在门铰链上涂抹润滑剂以消除吱吱声。
水基润滑剂
Water-based lubricants are safe to use with latex condoms.
水基润滑剂可安全地与乳胶避孕套一起使用。
润滑油
The engine needs lubricant oil to run smoothly.
发动机需要润滑油才能平稳运转。
社交润滑剂，指能使社交更顺利的事物（常指酒等）
A glass of wine can act as a social lubricant at parties.
在聚会上，一杯酒可以起到社交润滑剂的作用。
Use lubricants naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
lubricant 开头是 lube（润滑油），加上 -cant，想象给机器抹上润滑剂，它就不卡了。
语域：mixed 常见场景：机械维护、汽车保养、产品说明 该词通常多用于技术文档、产品说明和正式书面语；在口语或非正式场合也可使用，但语气偏正式。
lubricant 读作 /ˈlubrəkənt/，重音在第一音节。没有常用词与它完全押韵。lubricate 开头 /ˈluːbr/ 相近但结尾不同；significant、applicant、intoxicant、supplicant 拼写都以 -cant 结尾，但重读元音和之前的读音不同，并不与 lubricant 押韵。
Dictionary facts from ECDICT, WIKTIONARY.