Impulsor
[数]非共面直线对
🗣️ 情景例句
So would I.
我也是。
Do you often work out?
你经常锻炼身体吗？
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。