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...
The floor space of the warehouses has grown fivefold.仓库面积增加了四倍.Per capita income has grown fivefold.中国的人均收入增长了4倍.A prior hemorrhagic stroke raised the risk of brain hemorrhage by more than fivefold.在先前有脑出血性卒中病史的患者中,发现脑出血...
锌基合金的压铸件总是在氰化镀液中镀铜.Zinc base die castings are always copper plated in cyanide baths.氰化叠氮的灵活多变的化学性质是可控制的.It is possible to harness the versatile chemical properties of cyanogen azide.它们和氰化无物和砒霜一样致命.They're as deadly ...
A mother's suppression of her own feelings can cause problems.母亲压抑自己的情感会产生问题。the suppression of a rebellion对反叛的镇压Readers familiar with English history will find a vague parallel to the suppression of the monasteries...