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/ˈkɒnsntreɪts/
集中；浓缩物（concentrate的第三人称单数形式）
He 🔊 concentrates 🔊 on 🔊 his 🔊 work 🔊 and 🔊 tries 🔊 to 🔊 finish 🔊 it 🔊 before 🔊 the 🔊 deadline 🔊 .
他专注于工作，试图在截止日期前完成。
He concentrates on his work and tries to finish it before the deadline.
