... special (design)door 特设门，特殊设计的门 special door lock专用门锁 special drawing rights (SDR) 特别提款权 ...
双语例句
1
When leaving their rooms students should lock the door properly, deposit large sums of cash in the bank, and take special precautions against theft for valuables.
离开宿舍时应及时锁门，数量较多的现金应存入银行，贵重物品应妥善保管，防止被窃。
2
Compareing with single fingerprint Door-lock system, utilizing this scheme, we have three merits: 1, it can decrease system cost, we do not need other special wiring where there is exit network.