Diffusant
扩散剂
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
How can he give us such a tedious lecture!
他怎么能做这么沉闷乏味的演讲。
Sam Benton, the local butcher, had lost his wallet while taking his savings to the post office.
本顿在把存款送往邮局的途中把钱包丢了。