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1. Calcium carbonate's also what's in chalk.粉笔里也有碳酸钙。
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2. So he ate some chalk.他吃粉笔了。
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3. It isn't toxic--sure didn'tcause the pleural effusion.没有毒- 不会导致胸腔积液。
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4. Forget the chalk.别想粉笔了。
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5. You just said it wasabout the chalk.你刚说起粉笔。
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6. Yes,and then I said,"forget the chalk.然后 我又说 别想粉笔了。
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7. " You must be very confused.你肯定弄糊涂了。
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8. This kid's got pica.孩子有异食癖。
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9. Take him to a buffet,he's gonna eat the table.带去自助餐 他会吃了桌子。
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10. Or lead paint.可能是铅涂料。