an unreliable friend不可信赖的朋友Her old car was unreliable, so the trip was plagued by breakdowns...她的旧车老不听使唤，一路上总是出故障。Cecilia Cheung refers to someone dishonest, unreliable, causing distress to the actress.张柏芝指有人不老实, 不可靠, 对女...
With of water Qujiu a car Zhao Lehuo of fuelwood, the metaphor of no avail.用一杯水去救一车着了火的柴草, 比喻无济于事.He had the duty receptionist almost jumping through hoops for him. But to no avail.值班的接待员几乎为他费尽了力气，但还是没用。The speediest suc...
She was barely sixteen, and was in the graduating class of the Omaha High School.在俄马哈中学上毕业班时,她仅仅十六岁.Diplomas were conferred on members of the graduating class.给毕业班的学生颁发了毕业文凭.The job prospects for those graduating in engi...
When deposited , 70 - 80 % of the volume of muddy sediments may be water.泥质沉积物沉积后, 体积的70-80%是水.Loose sediments may be changed into solid sedimentary rocks.松散的沉积物可以变成坚硬的沉积岩.The sediments are detrital.沉积岩为碎屑质.Larix pollen ...