›‰ฮ‚ฬ’น•า‘S‘่o‘่Eo‘่‡Œล’่1`1200›
Ÿ‚ฟ”ฒ‚ซํƒ‚[ƒh

ก11–โ–ฺ ‰๑“šŒ‹‰สก
•sณ‰๐I
ณ@‰๐Fcoherent
Žž@ŠิF12845•b
ณ‰๐”F2–โ

‘ๆ12–โ–ฺ
”๗–ญ‚ศA‰s•q‚ศ
y€1Š๎‘b1900(1101`1150)z‚ๆ‚่

steep
costly
perpetual
subtle


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