to optimize the allocation of resources优化资源配置...Malthus's theories about the ineluctable tendency of populations to exceed resources.马尔萨斯的人口增长会不可避免地超出资源承载限度的理论The management team meets several times a week to juggle...
The fossil fuels (coal and oil) are finite resources.化石燃料（如煤和石油）属于有限资源。Universities are facing grave problems because of diminishing resources.由于资源的减少，大学正面临严峻的问题。It isn't them who use up the world's resources.并...
每年一度的比赛造就了若干卓越的年轻音乐家.The annual competition has encouraged the emergence of several talented young musicians.这个每年一度的节日是这个地区的古老传统.The annual festival is one of the ancient traditions of the region.他在巴黎三年一度的跑马比赛中囊括全奖.He sw...
A runaway car came hurtling towards us.一辆失控的汽车朝我们飞驰而来。We saw rocks and stones hurtling down the mountain.我们看到岩石以飞快的速度从山上滚落下来.At that second a trolley came hurtling by, heading downtown, its bell clanging loud.就在此刻,一辆开往闹市...
He has a visual impairment in the right eye.他右眼视力有损伤。Contraindications for this drug include liver or kidney impairment.这种药物的禁忌证包括肝脏或肾脏损伤。impairment of the functions of the kidney肾功能障碍...