单词：obstruction warning
单词：obstruction warning 相关文章
A no-smoking warning A: Excuse me, sir? Im afraid this is a no-smoking area. B: Whats that? A: Im sorry, sir. Smoking is not permitted in this area. B: Oh, sorry. Ill put it out. 请勿吸烟 A：对不起，先生？这里是无烟区。 B：什么？
办公室英语口语
[00:03.89]obosolete obstacle obstinate obstruction [00:08.52]a.已废弃的，过时的 n.障碍，防碍,干扰 a.顽固的,执固的 n.妨碍,障碍物 [00:13.14]obtain obvious occasion occasional [00:18.17]vt.获得,得到 a.显而易见的,明显的
考研英语词汇2005
86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02
科技之光
The US Government is testing an early warning system for earthquakes, which could buy vital seconds of time in advance of a major incident. For years the US has lagged behind Japan in quake detection technology and it is hoped that this latest system
世界各地新闻集锦
BEIJING, July 25 (Xinhua) -- Chinese scientists will focus on developing new quake-monitoring equipment and warning technologies, according to an agreement signed Wednesday between the country's earthquake monitoring authorities and top research inst
英语新闻