vi.（汽车或自行车）（尤指不用动力向山坡下）滑行（coast的过去式与过去分词形式）； 双语释义：n.(名词)[S]海岸 land bordering the sea英英释义： coast[ kəust ]n.the shore of a sea or ocean同义词：seashoreseacoastsea-coasta slope down which sleds may coast"when it snowed they made a coast on the golf course"the ar