Gearcase
n. 齿轮箱, 变速箱壳体, (自行车)齿轮罩
🗣️ 情景例句
I designed it myself.
这是我自己设计的。
The tortosis wins the race while the hare is sleeping.
兔子睡大觉，乌龟才得胜。
Those are watermelons.
那些是西瓜。