In the medical class, I learned about the fissure of the heart.

The urban legend of the slit-mouthed woman terrifies children.

He acted according to my instructions one by one.

She took a straddle pose in the yoga class.

We held a meeting to initiate a new project.

We started preparing for the initiation of a new project.

The opening day of the new semester is April 1st.

The new university will open next week.

This mineral has excellent cleavage, breaking cleanly along a certain direction.

He cleaved the wood.