到他没有多的油漆时，他已经有了很多玩具和珍宝，栅栏已经刷了三层油漆。
By the time he had no more paint, he had had lots of toys and treasures, and the fence had had three coats of paint.
大多数现代的液晶显示器通过发光两极管(LEDs)产生这种白光，并使其漫射到遮光栅栏后的屏幕专用漫射层上。
In the most modern LCDs this light is generated by light-emitting diodes (LEDs) and is then diffused in a special layer of the screen behind the shutters.
叶肉是由两层栅栏薄壁组织组成。
The mesophyll consists of two layers of palisade parenchyma.
应用推荐