hard-tack

基本解釋

Thisis a set of six rations consisting of a biscuit substitute, algae hard tack,algae crackers, coffee bag, coffee can, and water packet.
這是一套六包的口糧組成的餅乾代替，藻類硬釘，藻類餅乾，咖啡袋，咖啡可以和水包。
It is hard to sleep without a cooler in this room.
沒有空氣調(diào)節(jié)器，在這間屋裡很難入睡。
John felt it hard to rig out his family.
約翰感到難以爲(wèi)一家大小置備衣著。
The hard core in the party make all the decisions.
這個黨的核心成員決定一切。
Hard copy is computer output on paper, printing or graphics.
硬拷貝是出現(xiàn)在紙上、印刷上或圖表上的電腦輸出。