And unlike aggressive t cells that die shortly after killing their targets, weak t cells proliferate.

区别于杀死目标后很快自身就会死亡的攻击性T细胞，抑制性T细胞可以不断增殖。

youdao

When the aggressive, autoimmune disease-causing T cells are presented with antigens from dying beta cells, they keep attacking and killing the beta cells.

当具有攻击性的，引起自身免疫疾病的T细胞从死的β细胞处得到抗原，他们会持续攻击β细胞。

youdao

We don 't know if there is a sub-group of this group of patients who still need aggressive treatment, and by aggressive treatment I mean thrombolysis.

我们不清楚是否在这些患者中的亚群中仍然需要强有力治疗，并且进行强有力的治疗，我的意思是溶栓治疗。

youdao

When you're in a group doing something terribly aggressive and you are not--you don't feel like you're at risk you might laugh and laughter is a signal to other members of your group as a signal of solidarity and what you're doing together.

当你在群体在做具有强烈攻击性的行为时,你不会觉得自己有危险,你会笑,你笑是向其他群体成员传达一个信号,你们团结一致，共同进退。

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Armani says he felt that Hooks wasn't aggressive enough in pushing the retail strategy.

WSJ: The Future of Armani

The female judges were also more likely than male judges to complain that police weren't aggressive enough in going after pimps and customers.

CNN: Selling Atlanta's children: What has and hasn't changed

Sakurai says his interrogators weren't aggressive but there have been cases in which the police or prosecutors are alleged to have treated their suspects badly.

BBC: Japan crime: Why do innocent people confess?