质地最高的best-quality

• 头水货

  top-quality goods

新器物首次使用first use

第一次下水洗的first wash

• 连衣裙洗过头水就短了。

  The dress shrank in the first wash.

头遍浇地的水first irrigation water

• 地已浇过头水。

  The land's already had its first irrigation.