introduction

/.intrә'dʌkʃәn/

柯林斯星级

牛津核心词汇

BNC频率: 1379

现代语料频率: 2904

中考英语高考英语大学英语四级大学英语六级考研英语雅思

中文翻译

n. 介绍, 传入, 采用, 初步

英文解释

n. the act of beginning something new

n. the first section of a communication

n. a basic or elementary instructional text

n. a new proposal

词态变化

复数形式:introductions

常见例句

n an agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders n the branch of computer science that deal with writing computer programs that can solve problems creatively n a sloth that has three long claws on each forefoot and each hindfoot n the introduction of semen into the oviduct or uterus by some means other than sexual intercourse

The introduction of water subcutaneously for the relief of pain.

It is impregnated with medicine, and designed for introduction into urethra, etc.

n introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution)

a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open