英语词汇“retropacks”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	retropacks
释义	retropacks n. 制动[减速]发动机；(由火箭组成的)制动[减速]装置 [网络] 制动发动机；制动装置；制动发动机组
随便看	be under the dog be under the ferule be under the gun be under the hammer be under the illusion be under the illusion that be under the impression be under the impression that be under the jurisdiction of be under the knife be under the necessity of doing something be under the necessity of doing sth. be under the plough be under the pressure be under the pressure to do something be under the weather be under treatment be under ward be underway be under way be uneasy about be unequal to be unequivocally established be unfaithful to be unfamiliar with 四体不勤四体不勤，五谷不分四体百骸四停八当四冲八达四冲六达四分五剖四分五落四分五裂四大皆空丹宁丹心丹忱丹房丹方丹朱丹枫丹桂丹棘丹毒