1.navigator n.航海家

例句：He is a navigator of planes.
      他是飞机的领航员。

2.load v.装载,装填,担负

例句：The ship is loading for Qingdao.
      这艘船正在装货运往青岛。

3.extremely ad.极端地,非常地,很

例句：He is extremely suspicious of all his neighbors.
      他对所有的邻居都满腹狐疑。

4.severely ad.严重地(艰难地,紧凑地,纯朴地)

例句：The scoundrels who ran amuck will be severely punished.
      横行无忌的歹徒将受到严惩。

1.This also added to its speed.

add to增加,增添,补充

例句：Hops also contain tannins, which add to beer color.
      它还含有能增进啤酒色泽的单宁。

2.Using dead reckoning near the southern most area of South America called for an expert.

call for要求,需要,号召

例句：Our agency agreement calls for a timely market report.
      我们的代理协议要求你方及时递交市场报告一份。

3.Perhaps no other captain sailing at that time would think to have a woman do this extremely important work.

no other没有别的

例句：The facts admit no other explanation.
      这些事实不容有其他解释。