3枚迫击炮弹落在人群旁。Three mortar shells had landed close to a crowd of people.双方交火时动用了大炮、迫击炮和轻武器。The two sides exchanged fire with artillery, mortars and small arms.口径为120毫米的迫击炮的射程是1.8万码。The 120mm mortar has a range of 18,000 ya...
近岸回流的冲力能把游泳的人涌到海里.The pull of the undertow can drag swimmers out to sea.化学物质在系统中不断循环或回流.Chemical constantly circulate or recycle in the system.这种液体就是回流.This liquid is known as the reflux....
Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.Guitar's experiments did not stimulate any practical stud...
Despondently, I went back and told Bill the news.我深感泄气地回去把这消息告诉了比尔。It had come to that, he reflected despondently.事情已经到了这个地步了, 他沉思着,感到心灰意懒.He shook his head despondently.他沮丧地摇摇头....