low water mark

• 低水位线,低潮线

low water mark的用法和样例：

例句

1. The boat was pointing and leaning sharply along the water line.
   小船迎风航行，船体沿着水位线严重倾斜。
2. Above the water table, ancient caverns abandoned by the river slowly fill up with stalactites and stalagmites.
   在地下水位线，远古洞穴溢满的河水中充斥着石笋和钟乳石。

词汇搭配

• be at low-water mark 手头拮据