a foreign invader
外国侵略者
They prepared to repel the invaders.
他们准备赶走侵略军。
The white blood cells attack cells infected with an invader.
白细胞攻击受到感染的细胞。
1.侵略者;侵入者;侵犯者;侵入物
1.a country, army, etc. that uses force to enter another country
1.He puzzled, shutting his eyes to envision the interior nub, to search out the dark invader.
他困惑了，闭上眼睛想象萨利身体里的瘤，去寻找那个黑色的入侵者。
2.Beyond delivering a description of the invader to the immune system, HSPs seem to sound an alarm as well.
热休克蛋白除了向免疫系统提供侵略者的特徵之外，似乎也同时敲响了警钟。
3.Crucially, it also maintains a 'memory' so the body can launch a more ferocious defense the next time the same invader attacks.
最重要的是，后天免疫系统还能够保持“记忆”，因此下次当同样的入侵者攻击人体时，体内能组织起效果更强的防线。
4.While these blood cells are busy killing an invader, the body's immune system is said to " be under attack. "
当白血球忙于与入侵者作战时，体内的免疫系统便处于“受到攻击”状态。
5.Vaccines replicate this process by introducing a whole pathogen or fragments of it that will be recognized as a foreign invader.
疫苗就是复制这些步骤，利用完整病原体或其片段，诱发免疫系统识别外来入侵者。
6.The body recognizes the vaccine as a foreign invader and produces antibodies to it.
当人们身体将疫苗识别为外来侵入物时，就会产生抗体抵抗它。
7.Invade the earth on a budget in this easy to make Space Invader costume.
花很少的钱装一套《空间侵入者》的服装来入侵地球。
8.Any time someone comes near, a glowing green space invader moves back and forth across the top of the mat.
任何时候只要有人靠近，就有一个闪烁的绿色太空入侵者在垫子的前部前后移动。
9.In addition to slowing down the invader, the heat helps the immune system recruit more troops for a counter-attack.
此外，为了阻止外来入侵者，高温会帮助免疫系统生成更多“士兵”来防御。
10."Allying" yourself with an invader is called "surrender" , and the Chinese people would never have accepted it!
和侵略者“结盟”，那叫“投降”。中国人可绝不会接受这个！