1. addition是什么意思
1. In addition to gene, intelligence also depends on an adequate diet, a good education and a decent home environment.
除了遗传基因外，智力的高低还取决于良好的营养，良好的教育和良好的家庭环境。
名词
1. The addition of fruit makes the cereal taste good.
加了水果使谷类食品变得可口。
2. The baby is a new addition to our family.
这个婴儿是我们家新增的人丁。
3. Our baby brother is an addition to our family.
新出生的弟弟使我们家多了一口人。