pound-mol

例句：

1. 1. The weight of the package is 1 pound and 1 ounce.
   这个包裹的重量是1磅和1盎司。
2. 2. The scientist uses a digital scale to measure the amount of substance in a sample.
   这位科学家使用电子秤来测量样本中物质的量。
3. 3. The doctor prescribed a medication that needs to be measured by weight.
   医生开了一种需要按重量计量的药物。