Whewellite
水草酸钙石
🗣️ 情景例句
Can't you figure it out?
找不到答案吗？
Do you work near the library?
你在图书馆附近工作吗？
After a wonderful meal, they told stories and sang songs by the campfire.
他们美美地吃了一顿饭后，就围在营火旁讲起了故事，唱起了歌。