Cars cause pollution, both smog and acid rain.汽车造成的污染既有烟雾也有酸雨。attempts to reduce smog caused by traffic fumes旨在降低车辆尾气造成的烟雾的措施The sky over the city was overspread with a heavy smog.城市上空罩上了一层烟雾....
蜂蜡起到乳化剂的作用。Beeswax acts as an emulsifying agent.压力将咖啡的油脂挤出，这些油脂经乳化带给咖啡一种浓郁、柔滑的口感。It is the pressure which releases the coffee oils; these emulsify and give the coffee its rich, velvety texture.将奶油搅打到混合物中，使其乳化。Whisk the c...
Pigeons fluttered in and out, cooing gently.鸽子们低声咕咕地叫着，扑扇着翅膀飞进飞出。the sound of pigeons cooing鸽子咕咕的叫声A pigeon strutted along the roof, cooing rhythmically.一只鸽子沿着屋顶大摇大摆地走, 有节奏地咕咕叫....
It is useless spoiling the ship a ha'p'orth of tar.吝惜半便士柏油而毁坏一只船(因小失大).The boy is very active, ha never flays up.这个男孩很活跃, 但从来不惹麻烦.Ha! said Wren. Think I'd trust you?“哈！”雷恩说，“你以为我会相信你？”"Ha!" It was a cross ...