🧩 词语组成解析
risk
[rɪsk]
n. 危险，冒险;保险额;被保险人或物;
vt. 冒…的危险;使…冒风险（或面临危险）;
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];
🗣️ 情景例句
I am in the 7th grade.
我是七年级。
You have to be on time. Don't be late.
只准早到，不许迟到。
I can't get to sleep!
我睡不着！