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English Vocabularies
a thin, hollow, glass tube that is closed at one end. Test tubes are used in scientific experiments.
the use of violence or fear by a political group as a way of forcing others to meet its demands.
a steroid hormone produced in the testes that is responsible for stimulating the development of male sex organs, secondary sex characteristics, and sperm.
to give evidence or testimony.
to make a solemn declaration or affirmation, esp. under oath.
to make a solemn declaration or affirmation, esp. under oath.
of or relating to a will or testament or bequeathed by a will or testament