The doorkeeper tipped his hat as we entered.我们进门时,看门人脫帽向我们致意.The doorkeeper gave the alarm as soon as he saw the smoke.守门人一看见冒烟就发出警报.Security and Protection Service: including doorkeeper, guardianship and patrolling secu...
Titanium in the pure state can exist in either of two allotropic forms.纯钛以两种同素异形的形式存在.Carbon and sulfur and phosphorus are allotropic elements.碳、硫磺和磷是同素异形元素.Ozone ( O 3 ) is allotropic form of oxygen ( O 2 ) with three a...
The newspaper seeks to be independent of political dogma.这份报纸力求不受政治信条影响.It is precisely such ignorant people who take Marxism - Leninism as a religious dogma.那些将 马克思列宁主义 当宗教教条看待的人,就是这种蒙昧无知的人.Lamarchism is completely at o...