Erethin
[医] 兴奋素(结核菌素毒质)
🗣️ 情景例句
Would you do me a favour look around your factory?
能否帮忙带我看一下你们工厂？
A good example is the best sermon.
身教胜似言教。
No, it isn't, said the detective suddenly.
不，不对，侦探突然说。