久别重逢,自是高兴.It was of course a delight for them to meet again after such a long separation.篡改过去,眼前的好处自是一目了然, 然而终极的动机却显得神神秘秘.The immediate advantages of falsifying the past were obvious, but the ultimate motive was mysterio...
Sapwood contains xylem vessels, but not as strong as heartwood.边材含有木质导管, 但不如中心木质那样坚硬.Heavy wood with dark colored heartwood used for ornaments.重硬且心材呈浓色者可供作木艺品制造用.Heartwood from dark brown to purple brown, alternating str...
Oil - yielding organic matter is contained in the shales.在这些页岩里有产油的有机物质.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水.Sandstones are, as a rule , interbedded with shales.砂岩通常都与页岩互层.Alternating sandstones and...
聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.他噗通 噗 通地涉过浅水.He splashed ( his way ) through the shallow water.她一通一通地打电话.She made one phone call after an...
...the Red Cross emblem.红十字会徽章That emblem became recognized in the nineteen - twenty - nine Geneva Convention.这一标志在1929年的日内瓦会议上得到承认....the emblem of the Soviet Union.苏联国徽The eagle was an emblem of strength and courage.鹰是...