Nanotubes
(nanotube 的复数) n. 毫微管（富勒烯中的圆柱形分子）
🗣️ 情景例句
Radio says sunny and mild.
广播说是晴天 温暖适中。
My father always gave an ear to my problems.
家父常常倾听我的问题。
One of links in the chain that drives the wheels had snapped.
驱动轮子的链条断了一节。