单词	受保護之船
释义	同CONVOY
随便看	two-step architecture two step charge two-step cold storage two-step controller two-step enlargement reduction two-step erasing two-step flow two-step flow of communication two-step flow-of-communication process two-step flow of communication theory two-step flow theory two-step flow theory of communication two-step freezing two step heel and toe two-step injection system two-step isomeric two-step isomeric transition two step mechanism two-step neutralization two-stepped two-stepped annealing two-stepped normalizing two-stepped quenching two-stepping two-step quenching