Gearcase
n. 齿轮箱, 变速箱壳体, (自行车)齿轮罩
🗣️ 情景例句
Why can't you do both?
为什么不能两样一起做？
Do you ever study English on Sunday?
你曾经在星期日学英文吗？
I have decided to take a lot of cabbage in vinegar.
我已决定带大量的醋泡白菜。