Milk-secretion
[医] 乳汁分泌
🧩 词语组成解析
milk
[mɪlk]
n. 奶;乳液;母乳;
vt. 挤奶;榨取;
🗣️ 情景例句
You are my best friend in the whole world.
你是我在这个世界上最好的朋友。
What time did you get to work yesterday morning?
你昨天早上什么时间上班？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，