Macrochromosome
大染色体
🗣️ 情景例句
The cassette player and the tapes.
卡式录音机和录音带。
I'm afraid you will be discouraged.
我怕你会灰心。
The woodcutter replied: I'm going to cut this tree down.
伐木工人回答说：“我要把这棵树砍倒。”