这些机器将来会需要备件和维修保养。In the future the machines will need spare parts and maintenance.除了给轮胎充气外，我没做过任何汽车保养。Other than blowing up a tyre I hadn't done any car maintenance.车越来越旧，保养得也越来越差。The cars are getting older and less...
A pigeon emerges, wings flapping noisily, from the tower.一只鸽子从塔里钻出来，扑扑地拍打着翅膀。He tried to tuck his flapping shirt inside his trousers.他设法把飘起的衬衫塞到裤子里。The flag was flapping around in the light wind.那面旗子在微风中飘动....
疏散中心的孩子正受到疾病的折磨。Children in evacuation centres are falling prey to disease.一辆疏散大巴的司机被弹片炸伤。The driver of an evacuation bus was wounded by shrapnel.水面持续上涨，已经有1,000多人被疏散了。The waters continue to rise as more than 1,000 peopl...
Producing in high effectivity creates commercial profit by visible way.高效率生产是以一种有形的方式创造商业利润的.Combined analgesics for postoperative pain therapy: Review of effectivity and side - effects.联合镇痛药在术后疼痛治疗中的应用: 疗效和副作用的综述.The ex...