Nanotubes
(nanotube 的复数) n. 毫微管（富勒烯中的圆柱形分子）
🗣️ 情景例句
Pretty good, but I got caught in a traffic jam in Beijing.
很好，不过在北京碰上了交通阻塞。
Did you repair this yourself?
你自己亲自修理这个？
Porpoises and sharks are natural enemies.
海豚和鲨鱼是天然仇敌，