1. immune adj.免疫的; 有免疫力的
例句：What man was ever immune from death? Let me but leave a loyal heart shining in the pages of history.
人生自古谁无死，留取丹心照汗青。

2. require vt.需要; 要求; 想要
例句：sometimes require a more sovereign stance.
有时是需要独占姿态的。

3. encourage vt.促进; 支持; 鼓励
例句：As to writing, we do not encourage them to scrawl too early.
至于书法，我们不鼓励他们过早地乱写。

4. promise vt.允诺，许诺
例句：I promise I'll bring the car back to you in one piece.
我保证把车完整无损地还给你。

5. replace vt.代替; 替换
例句：We undertake to replace any product not up to the specifications.
产品不合规格，保证退换。
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