[医] 催化剂

catalytic agent的用法和样例：

例句

The catalytic system is the key of cross-coupling reaction.催化剂体系是交叉偶联反应研究的核心。
President Bush says the Pacific Rimcan be an agent for change around the world.布什总统说环太平洋地区能够成为世界变化的催化剂。

2006年NPR美国国家公共电台六月-Clean Trucks, Clean Emissions

Diesel fuel in the US and the fumes from diesel engines are about to get a whole lot cleaner. As of today, the Environmental Protection Agency is requiring much of the diesel in the country to have 97% less sulfur in it. It's the start of a project

发表于:2019-01-07 / 阅读(123) / 评论(0)

2006年NPR美国国家公共电台

希望长着翅膀04 My Dad's a Secrel Agent

04 My Dad's a Secret Agent Kenn Nesbitt My dad's a secret agent. He's an undercover spy. He's the world's best detective. He's the perfect private eye. He's a Pinkerton, a gum shoe, He's a snoop and he's a sleuth. He's unrivaled at detecting and unc

发表于:2019-01-09 / 阅读(64) / 评论(0)

希望长着翅膀

VOA慢速英语2014 AS IT IS 2014-04-23 Agent Orange Removal Continues in Vietnam

AS IT IS 2014-04-23 Agent Orange Removal Continues in Vietnam Hello, my friends, and welcome back to the program that helps you learn and improve your American English. Im Jim Tedder in Washington. Today we return to Southeast Asia to hear about effo

发表于:2019-01-12 / 阅读(64) / 评论(0)

2014年VOA慢速英语(四)月

Owen joins Stoke as free agent

Owen joins Stoke as free agent LONDON, Sept. 4 (Xinhua) -- Former England striker Michael Owen has signed for Stoke City as a free agent, said the English Premier League side on Tuesday. The 32-year-old sealed a one-year contract with Stoke after bei

发表于:2019-02-05 / 阅读(65) / 评论(0)

英语新闻

Neymar's agent hits out at Pele

RIO DE JANEIRO, Feb. 20 (Xinhua) -- The agent of Brazil starlet Neymar has accused Pele of hypocrisy and jealousy after the football legend's stinging attack on the 21-year-old's attitude. In a controversial newspaper interview published on Wednesday

发表于:2019-02-07 / 阅读(112) / 评论(0)

英语新闻

大众拟用催化转化器修复受影响汽车

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(78) / 评论(0)

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assertive community treatment model

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