服用避孕药是最有效的避孕方法。The pill is the most efficient method of birth control.法律允许医生给16岁以下未成年人开避孕药。The law allows doctors to prescribe contraception to the under 16s.她吃口服避孕药已有3年。She had been on the pill for three years....
他们慢慢地从舞台后方的左侧移至正中。They slowly moved from upstage left into the centre.他的房间位于四方院的左侧。His rooms were on the left-hand side of the quad.你会看见那座小教堂在你左侧的山上。You will see the chapel on the hill to your left....