Upper shell
[化] 上筒体
🧩 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;
shell
[ʃel]
n. （贝、卵、坚果等的）壳;外壳;炮弹;（人的）表面性格;
vt. 去壳，脱落;炮击;
vi. 剥皮;炮轰;
🗣️ 情景例句
Are we ever going to finish?
我们这样谈得完吗？
The industrial area is centered largely in the north.
那里的工业区大部分集中在北部。
Then he put a piece of cheese in his pocket and went away.
然后把一块乳酪装进衣袋里走了。