He instinctively scratched his head when faced with a difficult problem.

He scratched his head when faced with a difficult problem.

He is bright, so he was able to solve the problem immediately.

We should always remember the power of Kannon in difficult times.

His new yacht has a high-bow design.

Cephalopods are a type of marine life that includes squid and octopus.

The glans penis of a male is part of the erogenous zones, and is particularly known to be sensitive.

The moment I saw the exam questions, my mind went blank.

He trains his biceps at the gym every day.

He remembered the guillotine from the time of the French Revolution.