Y chromosome
(biology 生) chromosome that occurs singly and only in male cells, and produces a male after combining with an X chromosome during thereproductive process Y染色体. Cf 参看 X chromosome(X).
阅读全文Y, y
n
(pl Y´s, y´s ) the twenty-fifth letter of the English alphabet 英语字母表的第二十五个字母
`Yak´ begins with
阅读全文yacht
n
1 light sailing-boat, esp one built specifically for racing 快艇; (尤指专为竞赛用的)帆船
[attrib 作定语]
阅读全文yachtsman
n
(pl -smen , fem 阴性作 `yachtswoman) person who has yachting as a hobby 帆船运动爱好者
a round-the-worldyachtsman 环游世界一周的帆船运动爱好者.
阅读全文yack
v[I, Ipr, Ip]
~ (away/on) (about sb/sth) (sl 俚) talk continuously and often noisily (usu about sth unimportant) 唠唠叨叨, 闲扯(常为高声地)
Joy kept yacking (on) about the wedding. 乔伊唠唠叨叨地聊著婚礼的事. yack, n (usu sing 通常作单数) (sl 俚) persistent or trivial conversation; chatter 絮絮叨叨的谈话; 聊天; 唠叨
阅读全文Yale
n
(also `Yale lock) (propr 专利名) type of lock with revolving internal parts, commonly used for doors, etc 耶鲁锁, 撞锁(常用作门等的锁)
have a Yale (lock) fitted 安装耶鲁锁
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