GRAMS

例句：

1. 1. The weight of the package is approximately 2 kilograms.
   这个包裹的重量大约是2公斤。
2. 2. She weighed her cat before bedtime.
   她在睡前称了下她的猫。
3. 3. He measured the length of the river with a ruler.
   他用尺子测量了这条河的长度。