Trapezoidal generator
[电] 梯形产生器
🧩 词语组成解析
梯形的
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
Don't you agree?
你不同意吗？
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。