アイトラッキング
aitorakkingu
1. eye tracking
Noun
1. eye tracking
1. condolence; regret
1. Condolences.; Sympathy.
1. With condolences.; Expressing condolences.
1. Mourning; Grieving
1. favorite sword; cherished sword
1. to accompany
1. together
1. to adjoin each other; to be beside one another
1. racking