英汉双语例句-生物医药大词典

They couldn't understand, so he backed up and told them once more.

中文意思：
因为他们不懂，他就倒退回去，重又解释一遍。

以下为相关句子列表(点击查看，可以看对应的解释）：

	They couldn't go out since the lights are turned on.			他们不可能出门了，因为灯还开着呢！
	They couldn't go-off since the light was turned on.			他们不可能出门了，因为灯还开着呢！
	They couldn't have gone that far.			他们不可能做到这种地步。
	They couldn't see the path clearly in the dusky light of the forest.			在森林幽暗的光线下，他们看不清道路。
	They couldn't see what was going on under that Lake (we know this since Mercus has to explain to Dumbledore what transpired), nor could they see into the maze, or Moody wouldn't have been able to manipulate events without everyone knowing.			他们看不到湖底的行动（这一点可以从人鱼头领告诉邓布利多水下发生的事情推断），也看不到迷宫里的场景，否则穆迪就没法操纵一切而不为人知了。
	They couldn't understand, so he backed up and told them once more.			因为他们不懂，他就倒退回去，重又解释一遍。
	They couldn't, even if they would, get out of trouble by themselves.			即使他们想（摆脱），也无法独立摆脱困难。
	They count on bankers and credit agencies to dig deep.			他们指望银行家和信用机构挖得深一些。
	They counted on imports to stimulate their economy.			他们依靠进口来刺激他们的经济。
	They coupled the carriages of the train together.			他们把火车的车厢连接好。
	They covenanted with us for establishing a joint venture.			他们就建立合资公司的事和我们签了合约。