Herderite
磷铍钙石
🗣️ 情景例句
I have one ten-day tour that is still available. It will depart from New York on Dec. 24.
我们一个10天的旅行团还有空位，12月24号离开纽约。
I imagine I'll do some work instead of going to the movies.
我想我将做一些工作而不是去看电影。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。