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eyeball
special feature; centerpiece; showpiece; drawcard
special program; loss leader
sunny-side up fried egg
目玉が飛び出るほど驚いた。
I was so surprised my eyes nearly popped out.
今回のセールの目玉商品はこれだ。
This is the featured product of this sale.
展覧会の目玉は有名画家の新作だった。
The highlight of the exhibition was a new work by a famous painter.