his concentration may ---his success in the competitionaccount for care for long for

concentration concentration his concentration may ---his success in the competitionaccount for care for long for concentration是什么意思 concentration是什么意思 concentration是什么意思 concentration是什么意思 concentration是什么意思 intense concentration. because of his _ on his studies,he didn't notice me passing by.(集中精力)答案为concentration,能不能用focusing equilibrium concentration是什么意思 equilibrium concentration是什么意思 mM concentration是什么意思 low concentration是什么意思 Subsaturating Concentration什么意思 density-concentration是什么意思 market concentration是什么意思 four firm concentration