查询词典 challenge

Both specific and non-specific host defence mechanisms are responsible for the protection of fish against challenge infections with this ciliate.

鱼类的特异性和非特异性宿主防御机制都负责保护鱼类抗小瓜虫感染。

This situation, especially for circuital resource administration, has brought about big challenge. We need to build a set of management system to satisfy the need of communication resource management, which is high-effect.

作为电力安全生产的支撑网络，电力通信网络也在随电网的发展不断扩大覆盖范围，这对通信资源管理特别是电路资源管理带来了严峻的挑战，迫切需要建立一套以数据为中心的通信资源管理系统来满足系统管理及通信调度的需求。

The fact that Monascus productscontaining higher content of citrinin is a new challenge to the food safety.

数年前，桔霉素的研究在国内是个空白，我国红曲产品桔霉素的现状，对食品安全提出了新的挑战，对此我们无法回避，积极应对已成为红曲行业的共识。

The social networking juggernaut also enables teens to interact with their friends in real-time (using its built-in IM), play with or even challenge their friends in online games such as Pet Society, Mafia Wars and Restaurant City — all in one page.

这个社交网络的龙头老大还使得青少年们可以实时的和他们的朋友聊天(通过它内置的即时通讯工具)，在在线游戏里和朋友们玩或者是挑战朋友们，比如宠物社会，黑手党战争以及餐馆城市，都在一个页面里搞定。

It enjoys a totemic status akin to the Civil Rights Act; to challenge it is political suicide.

动物法享有和民权法同样图腾象征的地位，挑战它无疑等于政治自杀。

The revival of rural clanship has become one big socialproblem which poses a severe challenge to RSCC.

农村宗族复活成为农村的一大社会问题，也给农村精神文明建设提出严峻的挑战。

Any clansmen may challenge for leadership of the clan.

每个帮派内的兄弟都可以挑战老大的地位

The value manifold and accumulation of meaning fragment of later modernism, is a austere challenge for Shang Yang who has the ideal of classicalism culture.

后现代主义的价值多元与意义碎片的堆积，对于具有古典主义人文理想的尚扬来说，本身就是一个严峻的挑战。

We try to figure out the cause of this contradiction and thereby to challenge the effectiveness of the current classificatory framework of drugs.

我们试图理解这种矛盾的发生原由，同时也藉此质疑这个毒品分类的有效性。

Weare clear-eyed about the challenge of mobilizing collective action,and theshortfalls of our international system.

在面对全球已被调动起活动的挑战和我们国际环境的薄弱方面，我们很明智。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。