アルファ線[arufasen] alpha rays
エックス線[ekkususen] X-ray
サイン曲線[sainkyokusen] sinusoid
スピード線[supiidosen] speed lines
緯線[isen] parallel

一次線輪[ichijisenrin] primary coil
一線[issen] line
一直線[icchokusen] straight line
一番線[ichibansen] track no. 1
一塁線[ichiruisen] first-base line

雨混じりの雪[amemajirinoyuki] snow mingled with rain
花吹雪[hanafubuki] falling cherry blossoms
雪崩れる[nadareru] to slope
蛍雪の功[keisetsunokou] the fruit of diligent study
降雪[kousetsu] snowfall

豪雪[gousetsu] tremendous snowfall
細雪[sasameyuki] light snow fall
初雪[hatsuyuki] first snow (of season)
除雪[josetsu] snow removal
除雪車[josetsusha] snow-plow