Eng

Concentration...

濃度

Concentration, Density

注意力

Attention, Concentration

(Note, Noted, Notes, Notice, Noticed, Notices, Noticing, Noting, Pay Attention, Payed, Paying, Pays, To note, To notice, To pay)

專注力

Concentration, Focus

(Concentrate, Concentrated on, Concentrates, Concentrating, Focus on, Focused on, Focuses on, Focusing on, To concentrate, To focus on)