Upper bearing
[化] 上轴承
🧩 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
Not much.
马马虎虎吧。
Don't mention it. I hope you can come again soon.
不用谢，希望你不久能再来。
It has helped me to serve others.
这份礼物帮助我为他人服务。