• 外面的大门

external N外源氮externaladj.外来的；外部的；外面的；表面的n.外观；外部；外界事物external toothing外啮合external bownpipe外部水落管external stemming外封炮泥external neutrons外部中子external transfer外部传送external students校外(学)生(大学中获准注册,可参加学位考试但在校外学习的学生)external friction外摩擦external teaching外在教化external finances[经] 外来资金external graduate校外毕业生

1. And as Peter knocked at the door of the gate, a damsel came to hearken, named Rhoda.
   彼得敲外门，有一个使女，名叫罗大出来探听。
2. The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.
   外门为聚氨脂发泡门，中空玻璃观察窗，透视性好，保温性能好。