We flew in the sky in a hot-air balloon.

The bulbourethral gland plays an important role in the male reproductive system.

His batting eye is amazing.

The sphericity of this object is very high.

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

He has done everything he can to prepare for the exam, and now he is in a state of 'doing all that is humanly possible and waiting for fate to take its course'.

As the phrase 'If it does not sing, let's wait until the cuckoo sings' suggests, we should wait patiently until the opportunity comes.

Pre-ejaculate is a fluid that is secreted from men during sexual arousal.

I need a heat-killing bee ball in my garden.

He was diagnosed with agranulocytosis.