我们有小型车,还有好几部 中型 车.We have compacts and several mid - size cars.既使小型的鱼类也可以吞食中型的种子.Even small fish can swallow seeds of moderate size.这是 中型 电脑. 您认为如何 呢 ?Here are the medium - sized computers. What do you think about them?...
Sarah and Ella have been friends for seven years.萨拉和埃拉已经有7年的交情了。As they approached the outskirts of the city, Ella's mood visibly lightened.他们快到市郊时，埃拉的情绪明显好转。Ella was scared that someone was watching her.有个人一直在监视埃拉，...
内壳层跃迁机制是实现超短波长激光的一种很有潜力的方案.Employing the inner - shell transition mechanism is a potential way to obtain ultra short wavelength lasers.电子原子碰撞内壳层电离截面在实验及理论研究两方面都具有重要意义.The study inner - shell ionization cross - sections b...