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
Do we have to bag our own groceries?
我必须自己装我们买的商品吗？
My cousin is a member of a stamp club, He seems stamp collecting.
我的表兄是一个集邮俱乐部成员，他似乎很喜欢集邮。
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。