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
They told me that you had quit.
他们告诉我你辞职了。
Happy landing.
祝您早安 注：是送行者向上飞机的人说的告别语。
Everybody will be watching anxiously as the new buildings go up.
大家都将急切地注视着新建筑的建成。