
The bird only weighed ten grams.强调的是过去这只鸟的重量.可以理解为“(过去)这只鸟仅仅重10克”.Nine divided by three is three .这是一个定语从句.Nine (divided by three )is three,括号中的是过去分词作...

The bird only weighed ten grams.强调的是过去这只鸟的重量.可以理解为“(过去)这只鸟仅仅重10克”.Nine divided by three is three .这是一个定语从句.Nine (divided by three )is three,括号中的是过去分词作...