我们观察到一小群鲸鱼在远处游动。
We saw a ___pod of whales swimming in the distance.
我们在田里发现了一些干枯的豆荚。
We found some dried ___pods in the field.
飞机上的逃生舱位于机翼下方。
The escape ___pod is located under the wings of the aircraft.