Debt of nature
死,寿终正寝
🧩 词语组成解析
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
there's a lot to do around the house,
这屋里有很多事可做，
We've got to get a mirror for the bashroom.
我们必须有一面镜子放在浴室。
Yes.He must remain in bed for another two days.
是的，他还必须卧床两天。