Bioterrorism is a serious threat to modern society.

His story was like the accounts of a dream.

This law is authorized by an imperial order.

Kingo obtained a scuba diving license.

He suddenly stiffened and fell down.

He was greatly excited about the new project.

This season, the cherry blossoms are blooming beautifully.

The efficacy of this medicine is very high.

He was enclosed in his own thoughts.

His business achieved great success.