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
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
I didn't realize the time had passed so quickly.
我没有认识到时间这样快速过去了。
Glancing at the bits of wood and metal that lay around him,
年轻人看了一眼周围的碎木片和碎金属片，