Spherometry
球径测量术
🗣️ 情景例句
I am exhausted. My new exercise class is so hard.
我太累了。我那新的健身班太难了。
I ought to tell him the whole story.
我应该告诉他整个事情的始末。
At the moment, they cover every inch of floor space and I actually have to walk on them to get in or out of the room.
这会儿，书把地板的每一点空隙都占据了，我实际上是踩着这些书进出房间的。