慢速英语:Are Smartphone Apps Encouraging Young Smokers?

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1. persuade vt. 劝说
例句：He tries to persuade to buy the new tire.
他劝说买新轮胎。

2. discover vt. 发现
例句：You will discover this presently.
你很快就会这点。

3. claim 声称
例句: The persians claim their forces number in the millions.
波斯人声称有百万大军。

4. violate vt. 违背
例句：This seems to violate the very laws of physics.
这似乎物理定律.

5. promotion n. 推广
例句：It's great for the promotion of africa.
这对非洲的推广是大有裨益的。

6. responsibility n. 责任感
例句：He is completely lacking in responsibility.
他完全没有责任感。