uphill battle
(textiles) Yarn made from long strands of wool. / The fine, smooth fabric made from such wool yarn.
A measure of the strength of an explosion or a bomb based on how many quintillion tons of TNT would be needed to produce the same energy.
(idiomatic) A challenge with the odds of success stacked strongly against.
propiolic acid
アカウントを持っていませんか? 新規登録
アカウントを持っていますか? ログイン
DiQt(ディクト)
無料
★★★★★★★★★★