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Calopteryx cornelia (a species of damselfly)
The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.
By teaching, we learn. Docendo discimus.
He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.
trypophobia
She has trypophobia, and feels discomfort when she sees things with many holes like beehives or corals.
(set theory) symmetric difference
In set theory, the symmetric difference indicates the difference between two sets.
(Buddhism) think on the power of Kannon
We should always remember the power of Kannon in difficult times.
(philosophy) I think therefore I am
He strongly believes in the philosophical thought, 'I think, therefore I am.'
where there is a will there is a way
He said, 'Where there is a will, there is a way,' and faced the difficult situation.
(religion) deism
He is a believer in deism, believing that God created the universe and then left it alone.
general topology
Topology is a branch of mathematics that abstracts and generalizes the concept of space.
Clipping of 特殊相対性理論 (tokushu sōtaisei riron, “special relativity”).
The special theory of relativity is a theory proposed by Einstein.
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