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

Long-Term, Reversible Contraception Gains Traction With Young Women play pause stop mute unmute max volume 00:0004:07repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Fl

发表于:2018-12-18 / 阅读(59) / 评论(0) 分类 2016年NPR美国国家公共电台10月

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

191. The anal-retentive retailer保留肛门性格的零售商 restrictive-revision There was a retailer who specialized in selling reversible clothing. Being anal-retentive, his personality was somewhat restrictive, which tended to retard his sales.

发表于:2019-01-08 / 阅读(43) / 评论(0) 分类 胡敏托福词汇记单词

A: I need to speak with the manager right away. B: The manager is not here right now. May I take a message? A: Our key doesnt seem to be working in our lock. B: How many times have you used this key in the lock? A: We have already used this key succe

发表于:2019-01-20 / 阅读(85) / 评论(0) 分类 地道英语对话-租房

今天我们要学的短语是lock horns. Lock is spelled l-o-c-k, lock; and horns, h-o-r-n-s, horns; lock horns. Lock是锁上, horn是动物头上的角,lock horns原指动物用角互顶打架,引伸为激烈争论,杠上了。India and th

发表于:2019-02-06 / 阅读(65) / 评论(0) 分类 英语单词荟萃