Upper transmission
[化] 上传动
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
🗣️ 情景例句
I hope you will excuse me.
希望你能原谅我。
In regard to your request, no decision has been made.
关于你的请求还没有做出决定。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。