Underdrive
传动迟缓, 低速传动, (液力机的)下传动
🗣️ 情景例句
She wanted something to do, I guess.
我猜想她想找点事做吧。
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
He told me that he could not go to sleep one night because he heard a strange noise coming from the bar.
他告诉我有天夜里他怎么也睡不着，因为他听到酒吧里传来一阵奇怪的响声。