Nanoencapsulation
毫超微包囊法
🗣️ 情景例句
A cookie can't hurt, though.
但一片小甜饼不要紧。
Nature abhors a vacuum.
自然界里是没有真空的。
I am used to traveling by air and only on one occasion have I ever felt frightened.
我习惯了乘飞机旅行，只是有一次把我吓坏了。