Restriction fragment
限制酶断片
🧩 词语组成解析
🗣️ 情景例句
That's a practicable course of action.
那是一个切合实际的行动方案。
If money be not thy servant, it will be thy master.
不做金钱的主人，就会做金钱的奴隶。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。