Fige
[医]倒转电场凝胶电泳
🗣️ 情景例句
No. She's at work now.
不在，她正在上班。
I'm short of hands.
我太忙了。
Oh, thank you! said Ann. Look at the nice paper. Can I open it now, or later?
“噢，谢谢你！”安说，“瞧这漂亮的纸。我现在开还是以后再开？”