The plant will soon choke ponds and waterways if left unchecked.

如不控制这种植物的生长，池塘和水道很快就要被阻塞。

Soaps and other wastes can harm waterways.

肥皂和其他废弃物会损害水道。

There are more than 400 miles of waterways to explore in the area.

此地有400多英里的航道有待勘察。

The plan’s second focus is waterways.

计划的第二个焦点是水路运输。

The plan's second focus is waterways.

计划的第二个焦点是水路运输。