The built-in safety device compensates for a fall in water pressure.该内置式安全装置在水压下降时能提供保护。The high and low-rise apartment blocks built in the 1960s are crumbling.20世纪60年代建造的高低不一的公寓楼群正在逐渐破损坍塌。We're going to have built-...
Don't be too downhearted. There's always a way.别太悲观了，总有办法的。Max sighed, sounding even more downhearted.马克斯叹了口气，听上去更沮丧了。We're disappointed by these results but we're not downhearted.我们对结果感到失望，但是并未丧失信心。...