我们的被单枕套有点不够了。We're a bit low on bed linen.她在床上铺上了干净的床单和枕套.She put fresh linen on a bed.这块布可以做一对枕套.This piece of cloth can be used to make a pair of pillow cases....
The holes are only borings, less than a foot in diameter.油井仅仅是一些钻孔, 其直径不到一英尺.These borings consist of rock fragments, ash coal and other materials.这些孔屑包括石头碎片 、 灰尘、煤渣和其他东西.Based on thermodynamics principle, the feasibilit...