Pollution-free
无污染的
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
🗣️ 情景例句
Chopsticks are traditionally placed in brides dowries.
筷子在传统上是被当作新娘的嫁妆。
One thing, however, that we should not forget in doing business is to have a sense of appreciation.
可是有一件事我们做生意时不能忘，就是保持一份感恩的心情。
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，