- 一个水分子是由两个氢原子和一个氧原子组成的。
A water molecule has two hydrogen atoms and one oxygen atom.
- 一个专家小组讨论这个计划。
A panel of experts discussed the plan.
- 动物一个接一个的死亡。
One after another the animals died.
- 在这个密码里，每个数字取代了一个字母。
In this secret code, each number stands for a letter of the alphabet.
- 我有一个哥哥和一个妹妹。
I have an older brother and a younger sister.
- 我看见你和一个高个子男孩在一起。
I saw you with a tall boy.
- 他们照顾了一个印度女孩和一个意大利男孩。
They were taking care of a girl from India and a boy from Italy.
- 他冷酷的性格使朋友们一个一个地疏远了他。
His coolness has alienated his friends.
- 一个是新的，另一个是旧的。
One is new, and the other is old.
