“水下”造句

这种结实的高强度塑料盒子在水下100英尺以内是防水的。
The durable high-impact plastic case is water resistant to 100 feet.

当地渔民的渔网老是被水下的东西钩住。
Local fishermen's nets kept snagging on underwater objects.

试着潜入水下找寻沉没的财宝。
Try diving for sunken treasure.