酒精着色剂 Alcohol stain ; spirit stain
精练剂 [纺] scouring agent ; agents for refining
溶剂精制 [化工] solvent refining ; solvent treatment ; solvent treating
酒精配剂器 alcohol dispenser
精炼熔剂 refining flux
双溶剂精炼 double solvent refining
精确剂量喷雾泵 Accurate-dose spray pump
肝精制剂 liver extract preparation
精神刺激剂 psychostimulant
丝绸精炼剂 silk scouring agent
尽管大多数避孕套都含有杀精剂，但也有一些是不含的。
Although most condoms contain spermicide, there are some manufactured without.
像瘦肉精这类食品添加剂对我们的健康是有害的。
Additives like lean meat powder are really harmful to our health.
按照以下方法配制除草剂：在喷雾器中加入一盎司伏特加、几滴洗洁精、两杯水，然后摇匀即可。
Remove weeds by filling a spray bottle with an ounce of vodka, several drops of liquid dish soap, and two cups of water.
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