含有与氮原子相连的硝基的物质称为硝胺.Nitramines are substances which contain a nitro group bonded to nitrogen.较好的配方是那些高硝基增塑的硝化棉粘合剂配方.The preferred compositions are the highly nitroplasticized nitrocellulose binder compositions.当二硝基酚施于叶子时,...
多项调查一致显示，男性认为天黑后在大街上行走是安全的。比如，参见欣德朗和加罗法洛（1978）。Surveys consistently find that men report feeling safe on the street after dark. See, for example, Hindelang and Garofalo (1978)....
You get beautiful sunsets in the tropics.在热带地区可以看到美丽的落日余晖.In this part of the world we get such beautiful sunsets.在这一带我们可以看到如此美丽的日落景色.You must really see some golden sunsets here.你一定得看看这里金色的夕照....