Tosca
n. 碳酸钙沉积
🗣️ 情景例句
Yes, sir.
是的 ，先生。
A handful of common sense is worth a bushel of learning.
少量的常识，当得大量的学问。
Good, we'll be ordering in just a few days.
很好，两三天内我们就会下订单。