active

• Both the pollen grains and the gynoecia are active .
  花粉粒和雌蕊都具有活力。
• These chemically active ferments cause havoc .
  这些化学活性的酶造成广泛损害。
• The place had become very active .
  那个地方显得非常紧张。
• The scouts are active under the enemy 's very noses .
  侦察兵就在敌人眼皮底下活动。
• It also exists in active and inactive forms .
  它也存在着活跃的和不活跃的两种类型。
• This is an active volcano which spews out lava every year .
  这是个每年喷熔岩的活火山。
• She is wise , and active too .
  她又聪明，又活泼。
• They also tend to be active in their communities .
  他们在他们的住区里也往往是活跃分子。
• He was a very active lad .
  他是个性子好动的孩子。
• His mind became active again .
  他又转起念头来。