hollow

凿空，挖空英释vvto make a hole or empty space by removing the inside part of something

1 hollow fiber,中空纤维

2 hollow glass,中空玻璃；凹窝载玻片

3 hollow block,空心块，空心砖

4 hollow cylinder,空心圆柱体

5 hollow shaft,管轴，空心轴

6 hollow concrete,空心混凝土；多孔混凝土；大孔隙混凝土

7 hollow brick,空心砖

8 hollow cathode,中空阴极，空心阴极

9 hollow sphere,空心球体

10 hollow steel,中空钢

11 ring hollow,话听起来不诚恳；话语听着空洞

12 hollow out,vt. 挖空（挖洞；开凿）

13 hollow tree,空心树

14 concrete hollow block,混凝土空心砌块；空心混凝土砖；水泥空心砖

15 hollow organ,中空瀑；中空器官

16 hollow pipe,空心管

17 hollow core,中空心

18 hollow beam,空心梁

19 hollow section,空心截面；空心型钢

1 Hollow out the cake and fill it with cream..在蛋糕上挖个洞，填入奶油。