Nanotubes
(nanotube 的复数) n. 毫微管（富勒烯中的圆柱形分子）
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
Draw your chair up to the table.
把你的椅子拉到桌子旁边来。