Malucidin
苹果杀菌素
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
John stopped studying.
约翰停止学业了。
They will hardly know which facts to select from the great mass of evidence that steadily accumulates.
对于逐渐积累起来的庞大材料，他们几乎不知道选取哪些好，