🧩 词语组成解析
n. 岛( isle的复数形式 )
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 锡利群岛（地名）
🗣️ 情景例句
Do you think you are over-qualified, then?
那你认为你资历过高了？
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。