upgradableWiktionary 原文构词拆分upgrade词根/词干+-able后缀Able to be done; fit to be done. · Relevant to or suitable to, in accordance with.词源说明From upgrade + -able.释义（英文）形容词 AdjectiveHaving the capacity to undergo an upgrade.名词 NounA device or component that can be upgraded.词族派生词（3）nonupgradableunupgradablefield-upgradable