Impulsor
[数]非共面直线对
🗣️ 情景例句
No parking.
禁止停车。
If you want a towel,look in the linen closet.
如果你想要一条毛巾，请在亚麻织品衣橱里找。
You're never too old to enjoy a Christmas stocking.
“你永远不会老到不能享受圣诞袜的乐趣，”