sibling
n
(fml 文) any one of two or more people with the same parents; brother or sister 兄弟姊妹
I have two brothers and a sister
three siblings in all. 我有两个哥哥和一个妹妹: 共有三个兄妹.
[attrib 作定语]
sibling rivalry 同胞兄弟姊妹间的竞争.
Now, this is the chemistry lab. Have you been in this lab before?
好啦,这是化学实验室。你们以前到过这个实验室吗?
Do you remember one afternoon ten years ago when I came to your house and borrowed a necklace of yours? Pierre, my husband, was working in a government office. We'd been invited to a ball at the palace so I needed to borrow some jewellery.