thirtieth
英 ['θɜ:tɪəθ] 美 [ˈθɚtiɪθ]

n.

第三十；三十分之一；

adj.

第三十个的；三十分之一的；

变形

复数：thirtieths

英英释义

thirtieth[ 'θə:tiiθ ]

• n.position 30 in a countable series of things
• adj.coming next after the twenty-ninth in position

  同义词：30th

双语例句

用作名词(n.)

1. Today is the thirtieth of December.
   今天是十二月三十日。
2. The thirtieth on the list is a young man.
   名单上第三十个人是个年轻人。
3. A day is about one thirtieth of a month.
   一天大约是一个月的三十分之一。
4. One second of arc movement is one thirtieth of a millimetre
   一弧秒的移动是一毫米的三十分之一。

权威例句

Proceedings of the thirtieth annual ACM symposium on Theory of computing
Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Proceedings of the thirtieth annual ACM symposium on Theory of Computing, Dallas, Texas, May 23-26, 1998
Proceedings of the thirtieth annual ACM symposium on Theory of computing
Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
The Thirtieth Annual John Marshall Law School International Moot Court Competition in Information Technology and Privacy Law: Bench ...
Thirtieth Nordic Meeting of Gastroenterology, the Twenty-first Nordic Meeting of Endoscopy and the Ninth SAGIM Scientific Session
Thirtieth annual meeting of the american society for clinical nutrition inc washington dc usa may 3 5 1990
Seventy-Fifth Annual Report of the Trustees of the Worcester Insane Hospital, and Thirtieth Annual Report of the Trustees of the Wor...
MediaBench: a tool for evaluating and synthesizing multimedia and communications systems