Steels
n. 刀组；各种钢（steel的复数）
🗣️ 情景例句
Isn't this the Nanjing University?
请问是南京大学吗？
Keep your body clean!
身体要常保持清洁。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。