Sph.
[医] 球面的, 球面镜片
🗣️ 情景例句
Yes, it is. Come up.
是的 是我。请上来
I went to sleep immediately and slept soundly all night.
我很快地入睡了并且整夜酣睡。
As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
正像人们常常指出的，知识是一把双刃刀，可以用于造福，也可以用来为害。