Saccharomycetin
酵母菌素
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
She is at a loss as what to do.
她不知怎么办才好。
The Turners are going on a train. The conductor is coming round.
特纳一家人在火车上。列车员走过来。