Thymolysin
溶胸腺素
🗣️ 情景例句
The traffic's bumper to bumper, it must be rush hour.
车一辆接着一辆，现在肯定是交通高峰期。
We are anxious to know how long it will take you to deliver the goods.
我们急于知道贵方多长时间能交货。
What are you doing, Mum?
妈妈，你在干什么？