Definition: a sister/brother/son/daughter who is older than the other sister(s), brother(s), etc. Level: B1
我的姐姐正在筹划她的婚礼。
My ___elder ___sister is planning her wedding.
我的哥哥给了我一些有用的建议。
My ___elder ___brother gave me some useful advice.
他们的大女儿刚刚开始上大学。
Their ___elder ___daughter just started college.
