eldest child

基本解释

The experience is said to have made Tian Wenhua, the second eldest child of the family, determined to make her family proud.
據說，這一經歷使身爲田家老二的田文華發誓要光耀門楣。
Catherine Elizabeth Middleton, 28, is the eldest child of Michael and Carole Middleton, a businessman and former air stewardess.
凱瑟琳.伊麗莎白.米德爾頓，今年28嵗，是米歇爾.米德爾頓和卡洛兒.米德爾頓的長女。她在經商，以前儅過空姐。
Having read that her eldest child has just started at a private school, I am interested to hear the famously state-educated designer's take on this.
我之前知道她最大的孩子在一間私立學校上學，作爲一個在公立學校讀書的著名時裝設計師，我很想知道她怎麽應對這個問題。

Just as the Lobos' visas came through, Ramon, the eldest child, turned 21.
NPR: A Family's Wait for U.S. Visas Spans Generations
"It is his baby, " says his eldest child, Teresita Sy-Coson, 56.
FORBES: Lean on Me