The heart wheels on the bicycle were painted red.

The heat conductances of the two materials are different.

The head-scratching puzzle left everyone confused.

The sudden change in plans left everyone in a state of head-scratching.

The Mandates of Heaven were believed to be the divine authority given to the rulers of China.

They are matches made in heaven.

The round-headed bush clovers are blooming beautifully in the garden.

This heat-proof container can withstand high temperatures.

The hunters took several Texas heart shots during the hunting season.

The heat plot shows the distribution of temperature across the city.