🧩 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];
infection
[in'fekʃən]
n. <医>传染，感染;传染病，染毒物;影响;
🗣️ 情景例句
I was relieved of my position.
我被撤职了。
What time does the plane take off?
飞机何时起飞呢？
There's something wrong with Kate.
凯特有些舒服。