Both variable orifices and electromagnetic controllers have been used with success.可变锐孔和电磁流量控制器都已成功地使用.Ground controllers will then fire the booster, sending the satellite into its proper orbit.然后地面控制人员将会发射推进器，把卫星送入正常轨道。...
...as women do become as powerful in the marketplace as their mates.随着女人在商界的确变得和男人一样强大They were persuaded onstage for a laugh by their mates.他们被同伴们说服，上台一乐。They were persuaded onstage for a laugh by their mates...他们被同伴们说服...
First of all, answer these questions.首先，回答这些问题。First of all, you should know what profession suits you.首先, 你该知道什么职业适合你.First of all I must take these magazines to the teacher.首先我得把这些杂志交给教师....