Nanotubes
(nanotube 的復(fù)數(shù)) n. 毫微管（富勒烯中的圓柱形分子）
??? 情景例句
and cheese sandwiches for lunch.
和起士三明治當(dāng)午餐。
At what time?
什么時間？
What a boring movie! It's the most boring movie I have ever seen.
這電影真沒勁！是我看過最糟糕的電影。