heavy

学习了整晚后，她感觉头沉沉的。

After studying all night, her head felt ___heavy.

她哥哥比她重。

Her brother is ___heavier than her.

公交车因为交通堵塞晚点了。

The bus was late because of ___heavy traffic.

今早下了一场大雨。

There was ___heavy rain this morning.

这个行李箱是最重的，我几乎提不动。

This suitcase is the ___heaviest one; I can barely lift it.