仙尾部奇形腫 sacrococcygeal teratoma

仙尾靱帯 sacrococcygeal ligament

仙棘筋 musculus sacrospinalis〈ラテン語〉●sacrospinalis muscle《医》

仙棘靱帯 ligamentum sacrospinale●sacrospinal ligament《医》●sacrospinous ligament

先 end●point●tip●tipping

先々 distant future

先々のことまで考える look far ahead●think ahead about the future

先々の見通しをつける count the cost

先々まで楽しめること thing that can be enjoyed for many years to come

先々まで楽しめるもの thing that can be enjoyed for many years to come

先々まで及ぶ災難を生み出す create a long-term disaster

先々月 month before last

先々週 the week before last

先々週の火曜日 a week ago last Tuesday

先々週の金曜日 a week ago last Friday

先々週の月曜日 a week ago last Monday

先々週の水曜日 a week ago last Wednesday

先々週の土曜日 a week ago last Saturday

先々週の日曜日 a week ago last Sunday

先々週の木曜日 a week ago last Thursday