Fluidrive
液压传动
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
She will be amazed when she wakes up for dinner.
她要是在吃晚餐的时候醒来。必定会大吃一惊。
What are their jobs?
她们是做什么工作的？