n. 卵石;水晶;水晶透镜;卵石花纹
vt. 用卵石铺;用石子扔;使纹理粗糙
She bent down to shake a pebble out of her shoe.
她弯下腰,把鞋里的一粒石子抖出来。
We remove a pebble and the system expands.
我们移开一粒小石子,系统就扩展。
One day, however, about midafternoon, he picked up a pebble and it was warm.
然而有一天,大约在下午三点左右,他捡到一块鹅卵石,它是温暖的。
Just then, the crow saw a pebble beside the pitcher and it gave him an idea.
就在这时,乌鸦看到水罐旁边有块小鹅卵石,这让他想到一个主意。
He was used to throwing each pebble into the sea as soon as he picked it up.
他习惯了一捡起鹅卵石就把它扔进海里。