Wheelbox
n. 齿轮箱,传动箱
🗣️ 情景例句
I'm sorry you have to leave so soon.
很遗憾你不能多呆会儿。
Second thoughts are best.
三思而行，再思可也。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。