Ngs
[医][=nasogastric suction]鼻胃管吸出
🗣️ 情景例句
Are they open?
店开着吗？
What is happening up there?
上面发生什么事情？
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。