The Proterozoic eon is the longest era in the history of the Earth.

He finds it difficult to understand his own internal language.

He is learning Spanish as a foreign language.

He is often superstitious, so he avoids black cats when he sees them.

She fought to protect her own sanctity.

We are developing new technologies to reduce the impact of global warming.

That ancient castle was indeed radiating a majestic beauty.

My curfew is at 10 o'clock.

That temple has been said to have miracles since ancient times.

Please help her in some way.