英语语法分析

Tsunami is sometimes powerful enough to destroy a coastwise building it strikes.

海啸有时威力很大，足以摧毁它所冲击的沿岸建筑物。

Tsunami is sometimes powerful enough to destroy a coastwise building it strikes.

海啸有时威力很打，足可摧毁它所冲击的沿岸的建筑物。

Tsunami is sometimes powerful enough to destroy a coastwise building it strikes, still more a ship in its path.

海啸有时威力很大，足可摧毁它所冲击的沿岸的建筑物，更不必说它沿途中的船只了。