Ssrna
[化] 单链RNA
🗣️ 情景例句
Why is that necessary?
为什么有此必要
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
but when she got out at her own floor, both were forgotten in her sudden discovery that her front door was open.
但她到自己的楼层走出电梯后，就把这两件事忘了个干净，因为她突然发现她家的大门开着。