All these self-identifications are misleading. Because of them you take yourself to be are not.

To make the identifications, you need to add a second step, called mass spectrometry.

不过气相色谱技术本身并不能让你鉴别出每一种化合物 —— 它的作用仅限于分离.

Most were barely polite to the staff whose to check identifications admittance to the hall.

大多数人对大厅门口检查身份证的人员几乎不客气了.

After the identifications , fingerprint experts presented expert evidence in 394 cases.

在394宗案件中, 指模专家在鉴证后提交专家证供.

Before that, just make sure that your customs forms , identifications, and ship tickets are with you.

在那之前, 要确定随身携带的海关单据 、 证件和船票.

All visitors are required to show their identifications at the entrance.

所有来访者须在入口处出示证件.

Thank you. May I see some identifications?

谢谢, 可以看一下您的证件 吗 ?

Polar bears roam the Arctic ice sheets and swim in that region's coastal waters.

可爱的白熊在北极一望无际的冰面上漫步,在临近海岸的海水中游弋.

Under this pressure, they say, the ice sheets could break up physically.

在这种压力下, 他们认为冰盖肯定会被打破.

The ice sheets that cover Greenland and Antarctica now are remnants of this and previous ages.

现在覆盖着格陵兰和南极的冰盖就是上述冰块和以前几次冰期的遗留物.

Huge ice sheets were formed.

巨大的冰层形成了。

Frozen ponds and ice rinks become playgrounds for skating and hockey.

结了冰的池塘和溜冰场成了溜冰和冰上曲棍球的场地.

In spring the ice-floes break up.

春天浮冰碎裂了.

It is turning warm; many ice-floes are floating on the lake.

天气转暖了, 湖面上漂浮着很多流冰.

Ice floes are a threat to shipping in the area.

浮冰对这一带的航运是一种威胁.

But the river is full of ice floes!

但是河上到处都是浮冰呀!

I would like two vanilla ice creams, please.

请给我来两杯香草冰淇淋.

The child ate three ice creams today.

那孩子今天吃了三个冰淇淋.

I like ice-creams, I like fish.

我喜欢冰淇淋, 我喜欢鱼.

Sophie and Joel walk off happily licking their ice-creams.

苏菲和乔高兴地吃着冰淇淋,走开去了.

We eat ice creams and drink lemonade.

我们可以吃冰激凌喝柠檬汁.