cross 四级六级考研

Prevent stern red anthema and cross infection.

可避免交叉感染。

A coyote-dog cross is called a coydog.

易与家犬杂交，后代称为科伊狗（coydog）。

They crossed the Atlantic in the teeth of a force 10 wind.

他们冒着10级大风穿了大西洋。

Liz crossed off the days on the calendar.

莉兹从日历上划去了这些日子。

They have conceded us the right to cross their land.

他们已容许我们经过他们的土地。

We could cross the lake only in a canoe at that time.

那时我们只能乘独木舟过湖。

We need 1000 extras for the big scene when they cross the Red Sea.

我们需要1000名临时演员拍摄渡红海的一场戏。

A mule is a cross between a mare and a donkey.

骡子是雌马和驴的杂交种。

Customs officers inspected our luggage when we crossed the border.

当我们过境时海官员检查了我们的行李。

He was cross at first, but later he relented.

他起初很生气,后来变温和了。

A tiglon is a cross between a lion and a tiger.

虎狮是狮子和老虎的杂交种。

This is the cross slide feedscrew and two homemade setscrew collars.

这是两岸幻灯片feedscrew和两个自制固定螺丝的衣领。

In starting a new company, many hurdles must be crossed.

刚开办一个公司时, 必须克服许多障碍。

Rhizobia that nodulate the same hosts belong to a cross inoculation group.

能使同寄主结瘤的根瘤菌属于同一接种族。

We use a plank to cross the ditch.

我们用一块木板过了沟。

With his wonted, collected and stately mien , he crossed the unhallowed threshold.

他摆出平时那种泰然自若的庄严态度，跨过那个污浊的门槛。

They could not cross the river owing to the flood.

由于洪水，他们不能过河。

He was studying the map and puzzling about the easiest way to cross the mountains.

他在仔细察看地图, 想找出最容易穿过山区的道路。

The two diagonals of a square cross in the centre.

正方形两条对角线交于正方形的中心。

The clinical manifestation of crossed ectopic kidney was unfeatured,and it could be misdiagnosed and mistreatment.

交叉异位肾的临床表现无特异性,但极容易引起误诊、误治。