proton-active

常见例句

The orient has been playing an active role in the world economy.
亚洲一直在世界经济中发挥积极作用。
He is an active member of the school's stamp club.
他是学校集邮俱乐部的一名活跃会员。
An active volcano may explode at any time.
活火山随时都有可能爆发。
Is it wise to engage in active sports at your age?
我这样的年纪积极参加体育活动是否明智？
She was active as a left-winger in the party.
她是党内积极的左翼分子。
He was very active and rode down several horses.
他劲头很大，一连骑了好几匹马。