Sextant can be used for exploration and navigation .六分仪可用于航海和勘探中。To navigate , they must fix their sextant on something concrete.要行动, 就必须要立足于某个坚实的事物上.Other early instruments included the sextant and the astrolabe.另外的早期仪器...
As a player he was unselfish, a true team man.作为一名选手，他毫无私念，真正把自己摆在团队中。His playing as a trumpet player was quite revolutionary.他的小号演奏独创一格。She can hold her own against almost any player.她几乎能和任何一名选手一较高下。...
( Permitting a call while other data is being accessed is a preferable alternative. )通话结束后,要能够返回到以前的模式 ( 在访问其他数据时,仍然可以允许电话进来则是更好的一种可选方案 ).Antimonial lead is preferable to chemical lead because of its greater corrosion re...