你可以在空白纸上划线以便写字.You can line blank paper for writing.这个方法以后就称为分离细菌的划线法.This became known as the streak method for isolating bacteria.把那一栏用尺划线隔开, 我们把帐结算到那天为止.Rule off that column. We'll close the account at that date....
The fields are crisscrossed by irrigation canals and ditches.田野上沟渠纵横.We moved through fields and over ditches.我们穿过田野,跨过沟渠.The rain has filled up the ditches again.雨水又把沟渠给灌满了....
无理数的逻辑主义是颇有些不自然的.The logical definition of the irrational number is rather sophisticated.有理数与无理数一起构成实数.Rational numbers and irrational numbers together form the set of real numbers.老的数学老师永远不会死, 他们只是失去理智了(变成无理数).Old math ...
By and large, the papers greet the government's new policy document with a certain amount of scepticism.总体上，报界对政府的新政策文件将信将疑。The papers all chorused the praises of the President.各报都异口同声地对总统表示赞扬.He handed the papers ...
这首交响曲确实需要为数不少的一组演奏者。The symphony does require a largish group of players.演奏者的技巧完美, 但他演奏得毫无感情.The musician's execution was perfect, but he played without feeling.演奏者将用笛子吹奏一支曲子.The piper will pipe a tune....