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- The reason is that PBD acts as a hole blocking material in the emitting layer （PVK： Tb complex： PBD） and thus the combination of excitons mostly occur within this layer. 在共掺杂的发光层中铽配合物的电致发光来源于两个途径，一个是由PVK到铽配合物的能量传递，另一个是电子和空穴在铽配合物上直接复合发光。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- Prohibition of single row of hole block in outside wall 谈建筑节能技术及外墙单排孔砌块的禁用
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- That old block of flats is a real eyesore! 那座旧公寓真不顺眼！
- Stick your hand in and see what's in the hole. 把手伸进去，看看洞里有什么。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
- Mind out (of the way) you're blocking the passage. 让让(路)--你挡道了。
- The men in the hole sent up for more equipment. 在洞穴中的人们向上面要求再给他们一些设备。
- The mice have nibbled a hole in the cheese. 老鼠在奶酪上啃出了一个洞。
- I saw a rabbit dive into its hole. 我看见一只兔子钻进洞。
- She poked her finger into the hole. 她把手指插入孔中。
- The office block is under offer. 办公大楼已有人出价购买。
- Their dog bit a hole in my trousers. 他们的狗把我的裤子咬了个窟窿。
- Don't stand there blocking the gateway! 别站在那儿挡着门口！
- He knocked a big hole in the wall. 他把墙撞出了一个大洞。
- He burned a hole on the ironing board. 他把熨衣板烧了一个洞。
