您要查找的是不是：
- Heavy Observation Aircrafts 重型观测飞机
- Heavy Observation Aircraft 重型观察机
- Earth Observation Aircraft Program 地面观测飞行器计划
- High Performance Army Observation Aircraft 高性能陆军观察机
- Hippies usually avoided the downer of the real world by escaping to the wilds to enjoy the buzz of nature, make heavy observations about life and enjoy free love. 为了躲避现实世界中的“不利局面”，嬉皮们通常会逃往荒野地带，以便享受自然带来的“愉悦”、“深入”观察生活并尽享“自由之爱”。
- He lugged a heavy handcart along. 他使劲拉走那笨重的手推车。
- He made manful efforts to move the heavy furniture. 他作出勇敢的努力搬动沉重的家具。
- She could only croak because of her heavy cold. 她因患重感冒只能用沙哑的声音说话。
- She will not shove the heavy load onto others. 她不愿意把重担推给别人。
- Ground Observer Aircraft Recognition 地面观察员飞机识别
- Giving him a heavy slating will do him good. 狠狠地斥责他一顿会对他有好处。
- How could he get his heavy box up all those stairs? 这么重的箱子他是怎么抬上楼的？
- ocean observing aircraft and satellite technology 海洋观察飞行器和人造卫星技术
- Heavy taxes indispose a citizen to work hard. 重税于国民不愿意辛勤工作。
- A heavy shower drench the campers. 一阵骤雨把露营者都淋湿了。
- He was taken into hospital for observation. 他被送进医院观察。
- Even an oversight in the design might issue in heavy losses. 设计中那怕是一点点疏忽也可能造成重大的损失。
- Careful observation convinced them that is was so. 仔细的观察使他们相信情况是这样的。
- Joe tried to pull the heavy cart, but to no avail. 乔想拉那部笨重的大车，但是拉不动。
- Heavy traffic poses a problem in many old towns. 交通拥挤是许多旧城镇的难题。
