Ssrna
[化] 单链RNA
🗣️ 情景例句
This is Jack Davis.
我就是Jack Davis。
I slipped on the stairs and fell down.I broke my leg.
我在楼梯上滑倒了并且掉下来我弄断了腿的。
Looking into the drawing room, she saw a scene of confusion over by her writing desk.
她往起居室里看去，写字台边一片狼籍。