High winds and heavy seas sent the ship far off course.

狂风和海浪使船远离航线。

It was nearly impossible to stand up on the platform, which was continuously buffeted by this enormously heavy sea.

在平台上简直不可能呆下去，因为时刻都有大浪打来。

They watched the ship’s slow progress through the heavy seas.

【progress】他们看着那艘船在波涛汹涌的海上缓慢前行。

Residents ran out of homes and buildings in panic. The tremor lasted for several minutes, and some witnesses said it was like being on a boat in heavy seas.

居民们惊慌地跑出房屋和建筑，震动持续了数分钟，一些目击者称就像是在波涛汹涌海中的船上。