Gearless
a. 无齿轮的\\n[机] 无齿轮装置的
🗣️ 情景例句
I think I have an idea
我想我有一个办法
Too much knowledge makes the head bald.
知识多，老得快。
I've never met him but I've talked to him on the net.
我没见过他，但我和他在网上聊过天。