Gearcase
n. 齿轮箱, 变速箱壳体, (自行车)齿轮罩
🗣️ 情景例句
Do you think you are introverted or extroverted?
你认为你性格内向还是外向？
The greatest obstacle to progress is prejudice.
进步的最大障碍是偏见。
We gently woke him up and asked him to ferry us to the other side.
我们轻轻地把他唤醒，请他把我们摆渡过溪。