Beilstein test
[机] 贝尔斯登试验
🧩 词语组成解析
🗣️ 情景例句
I need to get out more.
我需要多出门去。
What is happening down there?
下面发生什么事情？
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。