The orient has been playing an active role in the world economy.
He is an active member of the school's stamp club.
An active volcano may explode at any time.
Is it wise to engage in active sports at your age?
She was active as a left-winger in the party.
He was very active and rode down several horses.
Active-clamp forward converter
active elctronic countermeasures
active oxygen species metabolism
Active Thermal Control Subsystem
Active service contracts on file
active stock and bond markets.
active components of isoflavones
Active Structure and Earth quake
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