Piston alloy
[机] 活塞用合金
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
alloy
['ælɔɪ]
n. 合金;（合金中的）劣等金属;搀杂品;成色;
v. 合铸，熔合（金属）;铸成合金;在…中搀以杂质，使（金属）减低成色;
al(ad-=to)+loy(to bind)→合金；杂质；贬低；损害
🗣️ 情景例句
I would like to make an appointment for a hairdo, please.
我想预约理发， 劳驾。
Affairs that are done by due degrees are soon ended.
事情要安步就班地做，就会很快地做完。
It's nearly ready.We can have dinner at seven o'clock.
马上就好。7点钟我们可以吃饭。