clean
US /kliːn/
UK /kliːn/

1.
2.
纯净的, 无污染的
not containing anything harmful or unpleasant
:
•
The air in the mountains is very clean.
山里的空气很干净。
•
They served clean water from a natural spring.
他们提供了来自天然泉水的干净水。
1.
干净地, 彻底地
in a clean manner; thoroughly or completely
:
•
The ball went clean through the window.
球径直穿过了窗户。
•
He cut the rope clean with one swift motion.
他一刀干净利落地切断了绳子。