1 one of two children or animals that are born to one mother at the same time 双胞胎或孪生子中的一个:
They're very alike. Are they twins?他们长得很像,是不是孪生儿?a twin brother/sister孪生兄弟╱姐妹identical twins单卵双胞胎☞Look at Siamese twin and triplet. 参看Siamese twin及triplet。
2 one of a pair of things that are the same or very similar 两个相同或非常相似的事物中的一个:
twin engines双引擎twin beds成对的单人床☞Look at the note at bed ¹. 参看bed^1的注释。
twin1/twIn; twIn/n [C] one of two children who are born at the same time and have the same mother 双胞胎中的一个: My sister and I are identical twins (=twins that look exactly the same). 我和姐姐是单卵双胞胎。
twin2adj [only before noun 仅用于名词前] 1 used to describe a child who is a twin 双胞胎的: twin sister/brother 双胞胎姐妹/兄弟2 used to talk about two things of the same kind that are together or connected 成对的﹔密切相关的: twin beds 成对的单人床3 a twin room has two beds in it〔房间〕有两张单人床的
twintwintwinstwinnedtwinningnoun1one of two people who have the same mother and were born at the same time: David and John are twins.I have a twin sister.2one of two things that are the same: a room with twin beds