Researchers often study twin primes to understand patterns in the distribution of prime numbers.

At the playground, the two toddlers held hands and giggled in their secret twin talk, ignoring everyone else.

The twin talks at the community fair became an unexpected highlight, drawing listeners who marveled at how their stories mirrored each other.

After years of questions about their resemblance, he learned he was a monozygotic twin when genetic testing showed they originated from the same fertilized egg.

The ambassador delivered twin speeches on climate policy to emphasize the government's consistent stance.

At family gatherings, their twin speech — a private system of nicknames, gestures, and abbreviations that only identical twins can use and understand — left everyone else puzzled.

His twin-born manner of finishing other people's sentences made people assume he had a sibling he never mentioned.

Twin Peakers gathered at the old lookout to watch the sunrise.

Physicists often debate different interpretations of twin paradoxes when discussing relativity.

The government adopted a twin-track strategy to stimulate the economy while strengthening public services.