查询词典 work hard at

hard and fast rule：硬性规则

hard X rays 硬X射线 | hard-and-fast rule 硬性规则 | hard-and-fast rules 硬性规定

hard and fast ashore：牢固搁浅

hard alloy 硬质合金 | hard and fast ashore 牢固搁浅 | hard and fast 牢固搁浅

These are hard and fast rules：这些规定不能变动

It was a hard and fast contract. 那是一份丝毫不得变更的合约. | These are hard and fast rules. 这些规定不能变动. | hard at it专心致志于某事:

hard cash：硬币

hard by 在近处 | hard cash 硬币 | hard cheese 不幸

hard cheese：不幸

hard cash 硬币 | hard cheese 不幸 | hard core 核心硬件

hard copy terminal：硬拷贝终端

hard copy 硬拷贝 | hard copy terminal 硬拷贝终端 | hard disk 固定磁盘

hard copy terminal：复印式终端机

硬复制任务 hard copy task,HCT | 复印式终端机 hard copy terminal | 硬复制单元 hard copy unit

hard copy printer：硬拷贝打印机

hard copy output 硬拷贝输出 | hard copy printer 硬拷贝打印机 | hard copy 原始底图

hard copy output：硬拷贝输出

hard contrast 高反差 | hard copy output 硬拷贝输出 | hard copy printer 硬拷贝打印机

hard copy output：硬复制输出

硬复制数字输入 hard copy numeric input | 硬复制输出 hard copy output | 硬复制外围 hard copy peripheral

seal oil pressure：密封油压

"seal of bearing ","轴承密封" | "seal oil pressure ","密封油压" | "seal ring ","密封环,止漏环"

osteographer：骨论学家

choreographer舞蹈动作的设计者 | osteographer骨论学家 | glyphographer电刻者