Ectobiology
细胞表面生物学
🗣️ 情景例句
Youth boredom is the main culprit behind youth crime.
年轻人的无聊是青少年犯罪最大原因。
To know everything is to know nothing.
事事皆知，事事不懂。
The tour should last about an hour and a half.
这次参观大概需要一个半小时。