n. something that can be used as an official medium of payment
n. car attached to a locomotive to carry fuel and water
n. a boat for communication between ship and shore
n. ship that usually provides supplies to other ships
a. 嫩的, 柔软的, 脆弱的, 温柔的, 亲切的, 未成熟的, 微妙的, 棘手的, 审慎的
vt. 使变嫩, 提供, 偿还
vi. 变柔软, 投标
n. 照料, 看管人, 供应船, 小船, 提出, 偿付, 投标