Trapezoidal generator
[电] 梯形产生器
🧩 词语组成解析
梯形的
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
It started out to be a beautiful day.
刚开始天气不错。
The doctors removed a section of the mummy and sent it to a laboratory.
医生们从木乃伊身上取下一个切片，送去化验。