1. 死河：其中两种恐龙的化石是在一个有9800万年历史的死河(billabong)里发掘出来的. 霍克努尔说,发掘坑里还有数以百计的化石等待挖掘.

2. 干河道：干粉显影,干显影 cascade development | 干河道 billabong | 干荒盆地,干盐湖 playa

3. billabong的意思

3. 服装驰名于业界：Betty Rides-专为女性设计的滑雪产品 | Billabong-服装驰名于业界 | Boeri - 以头盔而驰名

1. a branch of a river made by water flowing from the main stream only when the water level is high

2. a stagnant pool of water in the bed of a stream that flows intermittently