The legend of the merfolk has been handed down from ancient times.

I have been to Frankfort.

It is known that this compound has different conformers.

The intermezzo in his piano concert was wonderful.

In physics, the charm quark is one of the six quarks.

In physics, strange quarks are considered to be a type of elementary particle.

He got a four of a kind in poker.

His forkball is reputed to be very difficult.

I participate in aqua walking classes every Friday.

He is famous as a quarterback in American football.