Ection
天顶投影
🗣️ 情景例句
It might be simpler and less expensive .
这样可能比较简单而且省钱。
The concert will be held September 14 at 10 a.m.
该演奏会预定于9月14日10时举行。
Gradually the river grows wider, the banks recede,
然后河面渐渐地变宽，两岸后撤，