Brazil has felt vulnerable to soaring oil prices and to supply disruptions.巴西感到经受不了油价飞涨和供应中断的威胁.While these disruptions in life are not easy, they are necessary.即使这些碎片在生命里是很不容易的, 但却是必须的.Effects of machine failure , set -...
英国皇家空军表彰他是一名非常能干的机械师。The RAF recognized him as an out-standingly able engineer.阿富汗空军正用直升机向被围城镇提供补给。The Afghan air force was using helicopters to supply the besieged town.他正是风度翩翩的英国皇家空军飞行员的典范。He was the very model of the ...