您要查找的是不是：
- Relief valve must be piped to a suitable drain. 安全阀必须配置通向适当排泄口的排泄管道。
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- I need a holiday as a relief from the daily grind. 我需要休假以摆脱单调的日常工作。
- He saw the tower in relief against the sky. 他看到那塔耸立在空中，轮廓十分鲜明。
- The coach was full so a relief was put on. 长途汽车已满员，所以增开了一辆。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- The poor families survived on relief. 这些贫穷家庭靠救济生存。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- These pills bring relief from pain. 这些药丸可以止痛。
- The drain is blocked and needs unplugging. 排水管堵塞了，得疏通一下。
- The bathtub drain needs repairing. 浴盆的排水管需要修理。
- The reddening sky threw into relief a line of trees on the horizon. 通红的天空使地平线上的一行清晰可见。
- The young man carved a figure in low relief. 这个年轻人刻了一座浅浮雕人像。
- All hands turned out to repair the terraces and drain the water. 所有劳动力都出来整修梯田，排除积水。
- That she is still alive is a relief. 她还活着，这是令人感到宽慰的。
- He subscribed a large sum to the relief fund. 他向救济基金捐赠巨资。
- The relief workers kept soldiering on. 救援人员不屈不挠地继续工作。
- It got hotter, the boys peeled to get relief. 天气越来越热，男孩子们脱去衣服凉快凉快。
