Haplotype
单模标本
🗣️ 情景例句
OK. I'll do as you say.
好的，照办。
What are you writing?
你正在写什么？
Look, the falling leaves are all yellow. Lots of fallen leaves make the road yellow.
看那飘零的落叶，都是黄色的，黄色的落叶铺满的路面。