Handrest
[医]放手架（计算机键盘前放置的软垫、使录入员手腕不疲劳）; 靠手
🗣️ 情景例句
I'm thirty.
我三十岁。
I am old enough to make up my own mind.
我已经长大了，可以自己拿主意了。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。