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lute [sth]
lute 作及物动词，宾语是被密封的物体。
You should lute the joint before testing the pipe.
你应该在测试管道前用封泥把接头封好。
密封胶；密封腻子
先理解核心含义，再看它在真实句子里的用法。
密封胶；密封腻子
a substance used to seal joints or coat porous surfaces so that gas or liquid cannot pass through
You should lute the joint before testing the pipe.
你应该在测试管道前用封泥把接头封好。
A fretted stringed instrument, similar to the guitar, having a bowl-shaped body or soundbox; any of a wide variety of chordophones with a pear-shaped body and a neck whose upper surface is in the same plane as the soundboard, with strings along the neck and parallel to the soundboard.
Thick sticky clay or cement used to close up a hole or gap, especially to make something air-tight.
用于密封接缝或涂覆多孔表面的物质,使其不透气或液体
a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid
A packing ring, as of rubber, for fruit jars, etc.
The plumber spread a layer of lute around the pipe joint to make it watertight.
水管工在管道接缝周围涂了一层封泥，使其不漏水。
The old jar was sealed with lute, so no air could get in.
这个旧罐子用封泥封住了，所以空气进不去。
Use a little lute to fill the crack, and the tank will stop leaking.
用一点封泥填住裂缝，水箱就不会漏了。
lute 作及物动词，宾语是被密封的物体。
You should lute the joint before testing the pipe.
你应该在测试管道前用封泥把接头封好。
如需说明密封所用的材料，用 with 引出。
The worker luted the flask with a clay-and-water mixture.
工人用一种黏土和水的混合物密封了烧瓶。
此处 lute 是名词，指封泥；apply ... to ... 表示“把……涂在……上”。
Apply lute to the glass edges before joining them.
在接合玻璃边缘之前，将封泥涂在边缘上。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
用封泥密封接缝
The plumber luted the joint to make it airtight.
水管工用封泥封住接缝，使其不漏气。
涂封泥；敷密封料
Apply lute around the edge of the lid before closing the jar.
盖罐子前，先在盖子边缘涂上封泥。
（牙科）粘固粉；密封粘固剂
A luting cement is often used to attach a dental crown.
牙冠通常用粘固粉来粘接。
用封泥涂覆
The porous vessel was coated with lute to make it waterproof.
这个多孔容器涂上封泥以防渗水。
密封材料
Glassmakers once used luting materials to seal their furnaces.
玻璃工匠曾用密封材料来封住熔炉。
Use lute naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把“lute”想成鲁特琴（lute）——用泥把琴的音孔封住，就记住了“封泥”这个意思。
语域：formal 常见场景：工业密封、实验室器具、管道接口 lute 的此类“密封材料”义多出现在工业、管道或实验室等专业说明中，日常对话里比较少见。
All six words rhyme with lute: they share the same stressed vowel and following consonant /ut/. Be careful with lookalikes like cut /kʌt/ and but /bʌt/, which also end in -ut but have a different vowel sound.
Dictionary facts from ECDICT, WIKTIONARY.