\\\"the toaster was still functional even after being dropped\\\"
\\\"the lawnmower is a bit rusty but still usable\\\"
\\\"an operational aircraft\\\"
\\\"the dishwasher is now in working order\\\"
capable of being put to use;
\\\"usable byproducts\\\"
convenient for use or disposal;
\\\"the house is available after July 1\\\"
\\\"2000 square feet of usable office space\\\"
造句
用作形容詞(adj.)
They convert units of heat into useable engineering units that serve as input signals for process controllers and recorders. 他們將熱量單位轉換成可用的工程單位，作為過程控制器和記錄器的輸入信號。