Perchlorethylene
n. [化]全氯乙烯
🗣️ 情景例句
If we don't get dressed,
假如我们不去打扮的话，
When is the ship supposed to leave?
船应该在什么时候开？
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。