They gave early man an effective weapon to kill his enemies.

他们给早期人类提供了一种杀死敌人的有效武器。

youdao

It is not just a more effective weapon, but also a safer one for the bomber.

这种武器不仅效率更高，对投弹者也更安全。

youdao

Laughter can be used to show who is boss and malicious laughter is an effective weapon of intimidation.

笑可以用来表示谁才是老大；一个恶意的笑也可以成为恐吓的有力武器。

youdao

Prevention is our most powerful and effective weapon,"

VOA: standard.2009.12.02

PA's most effective weapon would be incontrovertible signs that it is bringing violence under control.

ECONOMIST: Israel and Palestine

Because Moore keeps little secret, exposure is not an effective weapon against him.

FORBES: Hunter Moore Will Post Your Nude Photos But Will Only Include Your Home Address If He Thinks You're A Horrible Person

The McCain campaign is also continuing to wield its most effective weapon in the battle for women voters, Sarah Palin.

NPR: Candidates Vie For Female Voters' Attention