New Words:

duty [ˈdjuːti] n. 责任;职责;义务;值班
through [θruː] 穿过;通过

Sample Sentences:

My duty is to look after the animals.
It is my duty to report it to the police.

First I have to get through the exams.
Can you go through the wood alone at night?
Go through this gate, and you'll see the house on your left.

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