a. 更新的, 更新

a not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered

s original and of a kind not seen before

s lacking training or experience

s having no previous example or precedent or parallel

s other than the former one(s); different

a unaffected by use or exposure

s (of a new kind or fashion) gratuitously new

s in use after medieval times

s used of a living language; being the current stage in its development

s (of crops) harvested at an early stage of development; before complete maturity

s unfamiliar