而且, 这一目标或许要早于防止污染.Indeed, this strand may well predate the anti - pollution effort.在世界上大部分地区, 以重量表示价值的金属作为货币使用早于硬币.Metal, valued by weight, preceded coins in many parts of the world.测色学的基本概念早于1853年由格腊斯曼加以阐述.The basic con...
若干研究已经发现了两个重要常量。Two significant constants have been found in a number of research studies.其值不变的量称为常量.A quantity whose value remains unchanged is called a constant.在无外力时,质心的速度是常量.The velocity of the center of mass is cons...
I bought a new cigarette lighter and it broke; now I'm ￡10 out of pocket.我买了新打火机,可是它坏了, 这下白花了十英镑....a cigarette holder.烟嘴He threw the cigarette down and ground it under his heel.他把烟卷丢到地上, 用脚踩灭。Banning toy cigarette ...
欧洲的一种野豌豆,其花呈紫色,茎干细小; 用作篱障.European purple - flowered with slender stems; occurs as a weed in hedges.欧洲的一种野豌豆,通常被用来制草料和覆盖作物.European vetch much cultivated as forage and cover crops.欧洲的多年生有毒、野豌豆.European perennial toxic ve...
Even in public , he never minds draping his arms round her neck.既便是在公众场合, 他也不介意搂着她的脖子.Fabric used for ceiling and display draping, a better quality muslin ( UK ).用作装饰天花板或折缀而下垂的薄织物, 为一种质地较好的细薄棉布.The cloth draping property...