Urinometry
尿比重测量法
🗣️ 情景例句
Catch you later.
以后再聊。
That'll put us both in the picture.
这样双方都能了解全面的情况。
No, not exactly. But later, peole developed a way of printing, using rocks.
不完全是这样。但后来，人们利用石头，研制了一种印刷方法。