Wheel train
[机] 轮系
🧩 词语组成解析
wheel
[wil]
n. 轮子;旋转;Wheels 汽车;有…轮子的汽车（或自行车等）;
vi. 转动，旋转;突然转变方向;
vt. 推;拉（车）;使变换方向;（使）迅速转身;
🗣️ 情景例句
How much will it cost?
需要多少钱？
What kind of climate do you have in this country?
这个国家的气候如何？
Fortunately we found some that was still dry and carried it back to the cave.
幸好，我们找到了一些干木柴，并把木柴抱回岩洞。