He turned on the headlights and drove down the night road.

The headlight of my bicycle has broken.

He is doing special exercises to train his serratus anterior muscle.

He exercises every day to strengthen his tibialis anterior muscle.

She was diagnosed with placenta previa.

The issue of the previa vessel is a very important issue in obstetrics.

In Japanese grammar, 'n-row irregular conjugation' is a very important concept.

The Acts of the Apostles is a part of the New Testament.

He conveyed the schedule of the meeting in a three-line email.

Cats are digitigrade animals, they walk on their toes.