プログレッシブ和英中辞典(第4版)の解説
ていきあつ【低気圧】
&fRoman1;〔気圧〕low (atmospheric) pressure; a [an atmospheric] depression; an area of low pressure; a low pressure zone
低気圧の中心
the center of 「a depression [a low pressure area]
低気圧が発達しながら北上している
A developing low-pressure area is moving north.
低気圧が東シナ海を東南に進んでいる
A low pressure system [area] is traveling southeast across the East China Sea.
&fRoman2;〔不機嫌〕a bad temper
彼女は今日は低気圧だ
She is 「out of sorts [in a bad mood] today.