Lactotoxin
乳毒素
🗣️ 情景例句
Really. I didn't like math.
真的。我不喜欢数学。
Experience keeps a dear school,but fools learn in no other.
经验学校学费高，愚人旁处学不到。
The negotiations on the rights and obligations of the parties under contract turned out to be very successful.
就合同保方的权利和义务方面的谈判非常成功。