1·Warren's eldest son is an art student.
沃伦的长子是一名学艺术的学生。
—— 《柯林斯英汉双解大词典》
2·Tom is my eldest son.
汤姆是我的长子。
—— 《牛津词典》
3·He made over the property to his eldest son.
他把财产传给了他的长子。
—— 《牛津词典》
4·He is the eldest son and thus heir to the title.
他是长子,因此是这个封号的继承人。
—— 《牛津词典》
5·On his death, the title passed to his eldest son.
他死后,封号传给长子。
—— 《牛津词典》