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- Methylphenyl)-2-(4-aminophenyl)ethylene is one of the important intermediates for preparing hole transport materials of styryl triarylamines. 4甲苯基)2(4氨基苯基)乙烯是合成苯乙烯基三芳胺类空穴传输材料的一种重要中间体。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- 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。
- The nurse is preparing the child to go to hospital. 保姆正在为孩子住院作准备。
- 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。
- She was very helpful in preparing my manuscript. 她在我撰写原稿时帮了大忙。
- 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。
- He really went to town on preparing the meal. 为准备这顿饭他确实花了不少劲。
- 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。
- Their dog bit a hole in my trousers. 他们的狗把我的裤子咬了个窟窿。
- 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。
- The hospital bills made a big hole in her savings. 住院费花去了她一大笔存款。
- He is preparing for the surgery. 他正在做手术前的准备。
- He was busy preparing for the exam. 他忙着准备考试。
