Firebee火烽是美国研制的一种无人驾驶飞机firen.火；失火；炉火；开火；热情v.开火；解雇；点燃；急速地连续说fire-proofing plywood耐火胶合板fire hazard test method易燃烧试验方法fire suppression bottle灭火瓶fire retardant coatings防火涂料fire retarding chimical阻燃化学品fire protection facility消防设施fireproofing forest belt防火阻隔带fire retarding treatment阻燃处理fire service information消防业务信息fire-proofing material耐火材料

1. Anselmo swung his heavy pack up.
   安塞尔莫背起沉重的背包。
2. My wife lost her pack in the subway.
   我妻子在地铁里把背包丢了。