Nanoparticle
纳米粒
🗣️ 情景例句
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
His visit was well timed.
他的访问正合时宜。
You should always depend on yourself rather than someone else.
你应该是依靠你自己，而不足别人。