?吊灯

... 马灯mast(head)light 吊灯pendent lamp 次级(副边)电路secondary circuit ...

?悬挂于天花板上的灯

[hammock] 两端悬挂在固定物体上的软床 [pendent lamp] 悬挂于天花板上的灯 [careless and casual;slovenly dilly dally;dodge the column;loiter away] 指对事情不认真,不负责任,或态度、作风不庄重 ..

?吸顶灯

... ---台灯 desk lamp ---吊灯/吸顶灯 pendent lamp ---射灯 spot light ...