Hammering and digging, flying and driving, delivering heavy cargo all over the world.

锤打和挖掘，飞行和驾驶，全世界到处运送沉重货物。

Humans are a really noisy species: hammering and digging, flying and driving, delivering heavy cargo all over the world.

锤打和挖掘、飞行和驾驶，在世界各地运送沉重货物。

The key to the mystery lay in the ship's heavy cargo of salt.

谜团的关键在于船上装满了沉重的盐。

For there was heavy cargo of courage in this powerful hulk: a proud self-consciousness formed the ballast for a vessel shaken with antinomies, and this alone assured it of a voyage without mishap.

因为在这艘强大的船体中承载着沉重的勇气：骄傲的自我意识为这艘饱经矛盾摇摆的船只提供了压舱物，仅此一点就确保了它能够顺利航行。