Stf
[医][=serum thymus factor]血清胸腺因子
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
I think it's going to crack soon.
我认为它将很快杯打碎。
I hope nothing is wrong.
我希望一切顺利。