Ectobiology
细胞表面生物学
🗣️ 情景例句
You really have been working too hard.
你们确实太忙了。
He who has a mind to beat his dog will easily find a stick.
有心打狗好找棍；欲加之罪，何患无辞。
And now I'm telling you I can't manage this Friday.
我正要告诉你我星期五没办法（出来）。