Erethin
[医] 兴奋素(结核菌素毒质)
🗣️ 情景例句
He was dumb from birth.
他生下来就是哑巴。
A match will set fire to a large building.
星星之火，可以燎原。
I've come to make sure that your stay in Beijing is a pleasant one.
我特地为你们安排使你们在北京的逗留愉快。