Nitrocalcite
钙硝石
🗣️ 情景例句
Hello.
哈啰 。
Quite so.
的确是这样。
Any ship that crosses the Pacific is accompanied for many days by the smaller albatross,
任何一艘横度太平洋的轮船都会有一种小信天翁伴随飞行许多天。