Nanoparticle
納米粒
??? 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一種樂趣，除非一天其中一根火柴不幸燃燒起來。
You don't have the right.
你還不夠格。
The test finished. We began our holiday.
考試結束了，我們開始放假。