This battery booster is a boon for photographers.这种电池充电器是摄影工作者的好帮手。He was tall, dark and handsome, like a Mills and Boon hero.他个头高大、皮肤黝黑、相貌堂堂，像通俗爱情小说的男主角。A car is a real boon when you live in the country.在郊外居住,有辆汽车确实极为方便...
It is for this reason that television proves such a boon to so many people...就是因为这个原因，电视才会给这么多人带来如此大的便利。It is for this reason that television proves such a boon to so many people.就是因为这个原因，电视才会给这么多人带来如此大的便利。Handles are a ...
使用蛋彩画颜料（内含可以定色的蛋黄）在干石膏上绘出了特定颜色。Certain pigment colours were painted on to dry plaster using tempera (where egg yolk is used to fix the pigment).数百年前蛋彩画颜料被用来画壁画.P > Tempera was used to paint frescos hundreds of years ago....
He felt a tremor of apprehension…他感到一阵恐惧。The dangerous, excitable tremor was still in her voice.她说起话来还是因为害怕及激动而颤抖。The tremor was centred in the Gulf of Sirte.微震的震中位于苏尔特湾。He felt a tremor in his arms.他感到胳膊不由自主地颤动。He tried...