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
It seems so simple now.
现在事情显得很简单了。
Do you ever play basketball after school?
你曾经在放学后打篮球吗？
Are you doing much sport?
你常做运动吗？