thickness
n
1 [U] quality or degree of being thick 厚、 密、 浓、 混浊等(的程度)
4cm in thickness/a thickness of 4cm 厚4厘米[4厘米的厚度].
2 [C] layer 层: one thickness of cotton wool and two thicknesses of felt 一层棉絮及两层毛毡.
3 [C] part (of sth) that is thick or between two opposite surfaces (某物的)较厚的或夹在两层中间的部分
steps cut into the thickness of the wall 在墙的横断面凿出的台阶.
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前,务必要关上电源,关好窗户。
Can you try to get them to bring down the price?
你能让他们降点价吗?
Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.