The policeman cautioned the motorist about his speed.警察警告那个司机不要开得太快.The motorist dropped his speed.摩托车手放慢了速度.He managed to flag down a passing motorist.他挥手招呼一位过路的司机把车停下来....
The areas are sealed off and ringed by troops.这些地区被军队封锁包围了。More than one hundred police have ringed the area.这一地区已被上百名警察包围。Her eyes were sunken and black-ringed.她眼圈发黑，眼窝深陷。...
牙线可用来清洁牙间隙.Dental floss is used to clean between your teeth.发生阻生的局部因素主要是牙间隙不足.The main factor lead to impacted teeth was insufficient interdentium.关闭磨牙间隙后牙槽骨改建及牙根吸收情况.Root resorption after the closure of molar space....