Upgradability
n. 可升级性；升格能力；提升能力
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
Please show me a cheaper one.
请给我看一件比较便宜的衣服。
So while the rest of the world was trying to get rid of mosquitoes, Australia was encouraging this one.
因此，世界上其他地方在设法消灭蚊子的时候，澳大利亚却在促使这种蚊子大量繁殖。