The Home Secretary is considering a new law against stalking.内务大臣正考虑制定一项针对跟踪骚扰的新法律。When stalking subjects, a tripod is impractical.潜步跟踪目标时，用三脚架是不切实际的。He spent the weekend stalking deer in the Scottish highlands.他周末在苏格兰高地...
Drugs are a problem that requires constant vigilance.需要对毒品问题长期保持警惕。Calumny requires no proof.诽谤无需证据。All citizens must do as the law requires.凡是公民均应按法律的要求办事。The brain requires a constant supply of oxygen...大脑需要持续供氧。He...