... These fluctuating varieties are now all lost, and, when a branch sports into a new variety, it can generally be propagated and kept true; but, as Mr...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... of a nature so variable and fluctuating...
Various 「The Journal of Negro History, Vol. I. Jan. 1916」
...Itscolour has the singular property of fluctuating, or of coming and going,under certain conditions; and which it owes to the action and reactionby which it acquires or relinquishes oxygen alternately...
George Field 「Field's Chromatography」
便利!手書き漢字入力検索