Nanoparticle
纳米粒
🗣️ 情景例句
Come on. Let's get some sleep.
走吧 ，让我们去睡觉吧。
I like to go to the movies when I feel in the mood for it.
我兴致高时喜欢看电影。
Growth, however, brings new problems and concerns.
不过，发展也带来了新的问题和顾虑。