to sterilize surgical instruments给外科手术器械消毒Sulphur is also used to sterilize equipment.硫也可用来给器材消毒。sterilize animals so that they cannot reproduce把畜生阉过，就不会再生育了Antiseptic is used to sterilize the skin before giving an injec...
He drove past darkened houses.他开车经过黑着灯的房子。The fans sat enthralled in the darkened cinema.影迷们坐在黑漆漆的电影院里看得如痴如醉。My sunny mood suddenly darkened...我的好心情突然变得阴郁起来。She had put on her make-up and darkened her eyelashes.她已化好妆，并涂黑...
I've had a very unproductive day.我这一天什么事都没干成。Research workers are well aware that much of their time and effort is unproductive.研究人员很清楚，他们的很多时间和精力全都是白费。...increasingly unproductive land.越来越贫瘠的土地One quarter of the co...
价格取决于做工的复杂精细度。The price depends on the intricacy of the work.撕裂的肌肉会收缩，丧失原来的力量、结构和紧实度。Torn muscles retract, and lose strength, structure, and tightness.南方的温度会上升到一百多度。The temperature in the south will soar into the hundred...