Kinsman helps kinsman, but woe to him that hath nothing.亲人帮亲人, 无亲愁煞人.A near friend is better than a far dwelling kinsman.近友胜过远亲.A relative by blood or marriage; a kinsman or kinswoman.因血缘关系或婚姻关系而成的亲戚; 男亲戚或女亲戚....
环烯烃共聚物的自然形态,类似玻璃.COC transparency similar to glass in its natural form.典型环烯烃共聚物材料,比高密度聚乙烯和聚丙烯模量较高.Typical COC material will have a higher modulus than HDPE and PP.报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环...
Take the zebra crossing, pedestrian overpass or underpass to cross the road.过马路要走斑马线 、 人行天桥或地下通道!The Hanger Lane underpass was closed through flooding.发洪水期间，汉格巷地下通道被关闭。to keep the underpass clean保持地下道干净Go through the und...