n.日光
Sunbeam filtered through the shutters. 陽(yáng)光通過(guò)百葉窗透了進(jìn)來(lái)。
We can see many molecules flying in the air when a sunbeam penetrated the dark room. 當(dāng)一束光線穿進(jìn)暗淡的房間時(shí),我們可以看到空氣中有許多小顆粒在飛舞。