形容词

1. 可用的；能用的
If something is usable, it is in a good enough state or condition to be used.

1. convenient for use or disposal

e.g. the house is available after July 1
2000 square feet of usable office space

Synonym: availableuseable

2. fit or ready for use or service

e.g. 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

Synonym: functionaluseableoperableoperational

3. capable of being put to use

e.g. usable byproducts

Synonym: useable