The bacteria are not killed until sensitized T cells activate the parasitized environment.

The other two flu pandemics of the 20 th century, however, were far milder.

20世纪的另外两次流感流行的病死率则温和得多.

Periods when diseases spread around the world are called pandemics.

疾病在全世界范围内传播时期称为大流行.

Both flu pandemics and global warming are lethal.

全球变暖和流感瘟疫一样是致命的.

Previous pandemics have been characterized by waves of activity spread over months.

以往大流行的特点是一波接一波的流行持续数月之久.

They focus on type A, which tends to cause more severe disease and pandemics.

科学家们把重点集中在了A型流感上, 因为它往往会造成更严重的疾病和流行病.

Your heart palpitates when you are excited.

你激动时,你的心脏就急速地跳动.

Insomnia usually appears together with heart palpitates in clinical syndrome or symptom complex.

失眠和心悸在临床证候中常常共同出现.

Before Ali, they say, boxing was just a bunch of palookas punching each other.

他们说,在拳王阿里之前, 拳击只不过是一群低水平的人打来打去.

I need some children's crayons.

我需要一些儿童蜡笔.

Joseph drew an building and colored it in with crayons.

约瑟夫画了一栋大厦然后用蜡笔涂上了颜色.

Offer your child thick crayons and paper to scribble on.

提供些粗蜡笔及厚纸任孩子涂鸦.

New crayons emerge from the holes in the hole table.

出现新的蜡笔从表中孔的孔.

This is the way I use my crayons to draw.

这是我用水彩笔画画的方式.

Play with children's toys and crafts: clay, finger-paint , crayons.

玩小朋友的玩具和手工艺品: 黏土 、 手指画 、 蜡笔画.

Have you got your crayons? Have you got your sketch-book?

你得到你的粉笔的 吗 ?你有草图书 吗 ?

All you need is some colored paper, crayons, and your imagination.

您只需要一些色纸 、 蜡笔和想象力即可.

So she bought the paper and glue and crayons.

于是,她买了纸,胶水和蜡笔.

When you were 4 years old, she gave you some crayons.

你4岁时, 她给你几支彩笔.

Sharpen your pencils and crayons manually using the cat's bum.

突显您的铅笔和蜡笔手动使用猫的烧伤.

Children enjoy colouring, eg with crayons.

儿童都喜欢涂颜色(如用蜡笔).