Ractinomycin
近放线菌素
🗣️ 情景例句
How come you speak such good English?
你为什么能说这么好的英语呢？
How many gallons are you going to take?
你要拿几加仑？
Meanwhile, they should encourage those among us who cannot swim five yards before they are gasping for air.
与此同时，他们对我们中的那些游不了5码就已喘不过气来的人应该是种鼓舞。