If you skip breakfast, your blood sugar level will drop and you will probably feel light-headed.如果不吃早餐，血糖含量就会降低，你很可能会觉得晕眩。Hunger is the body's signal that levels of blood sugar are too low.饥饿感是身体发出的信号，表示血糖水平太低。The s...
探讨一种喷气织机四连杆打纬机构的动平衡方法.The dynamical balancing of beating up mechanism of air - jet loom is discussed.喷气织机打纬机构广泛采用瓦特型六 连杆机构.The Watt six - bar mechanism has been widely adopted as the beating up mechanism of air - jet loo...
an act of unprovoked aggression无端的侵犯行为Stephen was stabbed to death in an unprovoked attack nearly five months ago.斯蒂芬在近5个月前无故遭到袭击，被捅死了。Her angry outburst was totally unprovoked.她的暴跳如雷完全是无理取闹。...