Wheel tread
[机] 轮接触面, 轮距
🧩 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;
tread
[trɛd]
vi. 踩，踏;行走;交尾;
vt. 踩成;踏出;步行于;踩（烂）;
n. 踏，踩，走;交尾;（楼梯的）踏板;轮胎接触地面的部分;
🗣️ 情景例句
which we made clear at the beginning of the negotiation.
关于这一点，我们早在开始谈判时期就讲明了。
I've got a pain in my back.
我背疼。
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。