But the throwing arm will be made from a more light-weight wood - Douglas fir. Wayne calculates that a tree trunk of at least 2 feet in diameter is needed to withstand the stresses of hurling 250-poun

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 中世纪攻城战

1471 、 实践计划 realization 1472 、 对比 contrast 1473 、 对流 convection 1474 、 对接 butt 1475 、 对接合;对接榫 buttjoint 1476 、 对接角榫 buttmitredjoint 1477 、 对接焊

发表于:2019-01-03 / 阅读(61) / 评论(0) 分类 英文名句短语

对多数人来说舌头是身体最忙碌的部分之一。我们既用舌头来品味也用它来说话。难怪舌头,也就是tongue会组成许多习惯用语。这就是我们今天要谈的内容。我们首先要讲的是: tongue-lashing。

发表于:2019-01-16 / 阅读(84) / 评论(0) 分类 美国习惯用语

今天Michael 和李华在打台球。从Michael 的谈话中,李华学到两个常用语: to fork something over 和to get over something. L: (sound of pool balls clicking) 嗨,别进去,别进

发表于:2019-02-12 / 阅读(35) / 评论(0) 分类 美国之音《流行美语》

本期内容: ChineseconsumerssmashedlastyearsrecordforpurchasesonSinglesDay,theworldsbiggestonline-shoppingfrenzy.Alibaba,ane-commercegiant,saidthat91.2billionyuanwasspentonitsvariouswebsites,two-thirdsofitfrommobiledevices.In2014shoppersforkedout

发表于:2019-02-17 / 阅读(34) / 评论(0) 分类 夏说英语新闻晨读

Why do snakes have forked tongues? And why do they flick them? Is it because snakes are naturally deceitful, ready to whisper lies into passing ears? Actually, its to aid a snakes vomeronasal system-a sensory system in snakes that is akin to smell. S

发表于:2019-03-06 / 阅读(121) / 评论(0) 分类 英语时差8,16