Pix carbonis
[医] 煤焦油
🧩 词语组成解析
pix
[pɪks]
v. 检查（硬币的）重量和纯度;
n. 照片，影片;
🗣️ 情景例句
And you saved it for me, didn't you, Mother?
也留着要给我， 对吗， 妈妈？
Four eyes see more than two.
人多识广。
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，