单词	(as) hard as a stone
释义	见:(as) hard as a stone
随便看	communication control unit {=ccu} communication control，cc communication coprocessor communication cord communication costs communication countermeasure communication counter measures communication countermeasures communication countermeasures {= commcm communication countermeasures {= commcm; comcm} communication cycle communication database cdb) communication database {=cdb} communication data processor communication data processor--cdp communication data processor，cdp communication data system communication decency act communication decency act {=cda} communication deception communication deficit communication delay histogram communication--depp space communication description communication description entry