是
例句与用法
- This philosophy has been proved incorrect .
这种观点被证明是错误的。 - The raging trend of reforms is irresistible .
改革浪潮是不可抗拒的。 - R(l)is the amplitude of the transmitted light .
R(L)是透射光振幅。 - The book does not say where he was born .
书上没说他是在哪里出生的。 - Silence is the perfectest herald of joy .
静默是表示快乐的最好方法。 - The word isoquant means "same quantity" .
等量的意思是“同一数量”。 - Let us pretend that it can be changed .
我们不防假设它是可以改变的。 - Mrs. green : he is a very nice person .
格林夫人:他是一个很好的人。 - Crack propagation usually begins slowly .
裂纹的增长常常是开始缓慢。 - Judging by the ordinary standards , he was reliable .
他是可信赖的。
用"是"造句