Nanostructure
n. 纳米结构
🗣️ 情景例句
I'm afraid the cardboard boxes are not strong enough for transport by sea.
我担心这种纸箱，用于远洋运输，不够结实。
I'm afraid it was a bother for you to do this.
我害怕做这会给你带来麻烦。
The flames threw light onto the ceiling of the cave.
火焰照亮了山洞的顶部。