Lactotoxin
乳毒素
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
Gandhi returned to India in 1915 and was honoured as a hero.
甘地于1915年回到印度时，被推崇为英雄。