Contravane
倒装小齿轮; 逆向导叶
🗣️ 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是无论怎样都确有其价值。
I've studied the reports of past meetings.
我学习了以往的会议记录。
OK.
好吧！