Reversing gear
[机] 回动机构, 回动装置
🧩 词语组成解析
a. 回动的\\n[化] 换向
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
🗣️ 情景例句
You got it!
给你啦！
Won't you have a bit of this cake?
请尝一点蛋糕吧！
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。