Age structure is a foundational base to study the population dynamics.年龄结构是研究种群动态的重要基础.Objective To search for triterpene glycoside with new structure.目的:寻找结构新颖的三萜皂苷类化合物.The photosphere has a granular structure.光球还有颗粒结构。...
他兜里硬币的叮当声the jingle of coins in his pocket他们用掷硬币的方法决定谁先去.They flipped a coin to decide who would go first.这两个孩子同意用掷硬币的方法来决定这件事.The two boys agreed to decide the matter by tossing a coin....
Doctors are complaining about being barraged by drug-company salesmen.医生们抱怨他们疲于应付医药公司的销售人员。We immediately barraged the enemy stronghold with a torrent of rifle fire.我们立刻用密集的步枪火力攻击敌人据点.Hughes was barraged with phone calls...
书中有20张有关男性时尚的彩色插页。There are 20 full-colour pages of fashion for men.八页的保健插页an eight-page pull-out on health这本杂志有一张关于国外度假的特别插页.The magazine contains a special insert about holidays abroad....
They had the laborious task of cutting down the huge tree.他们接受了伐大树的艰苦工作.Keeping the garden tidy all year round can be a laborious task.一年到头把花园拾掇得干净整洁也不是件轻松活儿。The distance seemed interminable, and the walk was most labori...