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
He studied harder to improve his English.
他更加努力提高英语水平。
Nothing down, nothing up.
没有落就没有起。
The ship is going under the bridge.
那船正从桥下驶过。