He had insisted on dressing himself up in a frock-coat and the most dismal pepper-and-salt trousers . 他固执己见地穿着礼服大衣和那条最悔气的黑白相间的裤子。
As he crept along with his eyes on the ground, the man gave utterance at intervals to uncouth, inarticulate sounds . 他两眼盯着地面一步步移动着，不时发出粗里粗气的哼声。
A fresh charge of air-fuel mixture will be drawn into the cylinder as the piston moves down toward . 随着活塞朝下止点的向下运动，一些空气燃料混合气的新鲜充量将被吸入气缸。
If a bottle of ether is opened at one end of a room, we can soon smell the vapors at the other end . 假如在房间的一端打开一个乙醚瓶，在房间的另一端就可立刻闻到乙醚蒸气的味道。
Someone has to pour new life into the school some dynamic personality…like-yes-eileen rich . 要有人来给学校注入新的生命。要有那种有生气的人物…就象-对-就象艾琳里奇那样的人。
There was a loud hissing noise as the bull worked its horns free. the tank collapsed like a deflated balloon . 当牛将犄角拔出来时，那坦克发出一阵嘶嘶声，象泄了气的皮球似地瘪了。
Fluoride treatment included both excised leaves cultured in nutrient solutions and leaves from plants fumigated with hf . 氟化物处理既包括培养在营养溶液中的切离叶片和HF熏气的植株上来的叶片。
Such a one there lived in philadelphia; a person of note, an elderly man, with a wise look and a very grave manner of speaking . 当时，费城也有这么一个怪人，一位很有名气的老人看上去很有见识，讲话很是庄重。
For firing of the mixture in the cylinder every time spark occurs, the air-fuel ratio must lie in a fairly narrow range . 为了在气缸里每一时刻发生一次火花时混合气的燃烧更理想，空一燃混合比必须限于相当狭窄的区域内。
Formation boundaries and unconformities can also be good production zones for natural steam, provided they have high permeabilities and are filled with water . 建造的边界和不整合处如果具有较高的透水性且充有水，也可能构成天然蒸气的良好生产区。
