Sense of duty
n. 责任感，责任心
🧩 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
How many are there in your family?
你们家几口人？
And our successful techniques, and to speak about our failures.
和成功技巧，并讲出我们的失败之处。
OK.
好吧。