Seizing this opportunity to film their behaviour, Ms Black threaded ropes through some pieces of blubber, then lowered a camera underwater.

为了乘机拍摄杀人鲸的生活习性，布莱克女士用绳将几块鲸脂串起来，然后将一部摄影机放入水下。

Tom threaded the rope through the safety harness.

【thread】汤姆把绳子穿进保护带。