A dentist may decide to extract the tooth to prevent recurrent trouble...牙医可能会决定拔掉那颗牙，以免反复发作。I had to have two fillings at the dentist's today.我今天不得不在牙科诊所补了两颗牙。The dentist filled several cavities in my teeth.牙医给我的牙堵...
A dentist may decide to extract the tooth to prevent recurrent trouble.牙医可能会决定拔掉那颗牙，以免反复发作。Think of the clammy hands you get when you visit the dentist!想想你去看牙医时那双黏糊糊的手！The dentist commenced to dig, drill and finally fill...
The tyre is guaranteed never to puncture or go flat.这种轮胎保证永远不会被扎破或撒气。Obviously the puncture threw me a little, but I'm reasonably happy.显然，轮胎扎破让我感到有些意外，不过我还是挺开心的。Somebody helped me mend the puncture.有个人帮我修补扎破的轮胎。...
玛丽·安问他晚餐怎么样，他回答说：“糟透了。”Mary Ann asked him how dinner had been. "The pits," he replied.这将是我们参加过的最盛大的感恩节晚餐。It's going to be the most magnificent Thanksgiving dinner we ever had.恐怕我晚餐时吃得太多了。I'm afraid I made a pig...
He took the hilt of his ash plant , lunging with It'softly, dallying still.他攥住梣木手杖的柄, 轻轻地戳着, 继续磨磨蹭蹭.The parks and squares looked grim under a mantle of soot and ash.在一层烟尘的笼罩之下，公园和广场显得阴沉沉的。Volcanic ash, lapilli, bloc...
A bistable storage device which stores binary data as states of flip - flop elements.一种以触发器的状态存储二进制数据的双稳态存储器.Modulations of control parameter on chemical bistable system is investigated by using of parameter modulation m...