rain-tight

例句：

1. 1. The rain-tight tent kept us dry during the storm.
   这个防水帐篷在暴风雨中让我们保持干燥。
2. 2.The shoes are rain-tight so they won't get wet.
   这些鞋子是防水的，所以不会湿。
3. 3. The car was rain-tight, so we didn't have to worry about getting soaked.
   这辆车防水，所以我们不用担心被淋湿了。