検索内容:
a piece of research, a study, investigation
He is conducting research on a new energy source.
studying, studies, study
I try to study at least one hour every day.
to study / to discount, to reduce the price of something
I study at the library every day.
a laboratory
My laboratory is on the third floor of the university.
鳥類: birds / 蝶類: butterflies
I am studying birds.
person
He is a famous author and a person who is respected by many people.
researcher
He is a world-renowned researcher.
valuable, worthful, precious
This painting is very valuable.
premature death
He might die prematurely because of his unhealthy lifestyle.
to die prematurely
He died prematurely due to his unhealthy lifestyle.
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