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- chemically active plasticizer 化学活性增塑剂
- These chemically active ferments cause havoc. 这些化学活性的酶造成广泛损害。
- Zinc is a chemically active metal, but its corrosion products are generally dense and adherent. These two facts explains the value of this metal. 锌是一种化学性质活泼的金属，但它的腐蚀生成物一般有高的密度和附着力。这两点特性说明了这一金属的价值。
- Actinic light: Chemically active light from lamps are: mercury vapor lamps, photo-flood bulbs (gas filled tungsten filament incandescent lamps), to harden light-sensitive plate coating. 光化光:引起化学作用的光。由弧光灯，水银蒸气灯，溢光灯（钨丝充气白热灯）所发出的光。照相制版时，用作硬化版面材料。
- Actinic light Chemically active light from are lamps, mercury vapour lamps, photo-flood bulbs (gas filled tungsten filament incandescent lamps), to harden light-sensitive plate coating. 引起化学作用的光。由弧光灯,水银蒸气灯,溢光灯(钨丝充气白热灯)所发出的光。照相製版时,用作硬化版面材料。
- Although it is less abundant in the earth，more chemically active and harder to extract than aluminum，it is present in sea water and that means there is almost an endless supply of it. 尽管与铝相比，它在地壳内的储量少，化学性质更活跃，且更加难以提炼，但它存在于海水中，这就意味着它几乎是无穷无尽的。
- Relating to or designating chemical activity at elevated temperatures. 高温化学的有关或表明高温下的化学活动的
- These immature, malelike gametes were then fused with mature, normal mouse eggs, chemically activated, and implanted into surrogate mice. 接著，这些未成熟的类雄性配子与来自正常鼠的成熟卵子融合，并经化学方法活化后植入代理孕母体内，结果诞生了两只小鼠。
- Feature：Silvery white metal, chemical active, oxidizable in moist air and reactive fiercely with water. 主要性状：本品呈银白色金属光泽。化学活性强，在空气中易氧化，遇水反应激烈。
- Chemically Active Material Eject in Orbit 卡梅欧卫星(轨道放射化学激活物质卫星)
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- The mechanical properties and durability of chemically activated high range slag cement were studied. The chemical activator is Na_2CO_3 with incorporation rate from 0.5% to 2.0%. 探讨了化学激发剂Na2CO3对高掺量矿渣水泥的力学及耐久性能的影响。
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大，一连骑了好几匹马。
- She plays an active part in local politics. 她积极参与地方政治活动。
- If such additives are used then the chemical activity may not be restricted to the asperity contacts. 如果使用了上述添加剂,化学反应可能就不限于表面粗糙的接触。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
