かいざい
かいざい 【介在 】名詞 (an ) intervention .介在する 動詞 lie [exist, stand ]⦅between ⦆; intervene ⦅in, between ⦆.▸ 我々はまず2国間に介在するあらゆる障害を取り除く必要がある First of all, it is necessary that we (⦅英 ⦆ should ) clear away every obstacle lying between the two countries .