Macrochromosome
大染色体
🗣️ 情景例句
part of the building for younger people.
另一部分给年轻人用。
I seldom write a letter.
我很少写信。
I like spring and summer.The days are long and the night are short.The sun rises early and sets late.
我最喜欢春季和夏季。因为此时白天长而夜晚短，太阳升得早而落得迟。