慢速英语:Kitchen Chemistry: The Science of Herbs and Spices

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1. People have been using herbs and spices for thousands of years. Generally, herbs come from the green leaves of plants or vegetables.

thousands of 成千上万,几千
例句：A computer consists of thousands of components. 
电脑由成千上万个部件组成。 

2. For example, cinnamon comes from the hard outer cover of cinnamon plants.

for example 例如
例句：Many great people rose from poor backgrounds -- Lincoln for example.
很多伟人出身贫寒,林肯就是一例。

3. For example, American researchers say red pepper could help people seeking to lose weight.

lose weight 体重减轻
例句：I think she might have lost a bit of weight.
我想她体重可能减轻了一些。

4. Over six weeks, twenty-five people of normal weight took part in the study.

take part in 参加
例句：Are you going to take part in the first experiment?
你们会参与首次实验吗?

5. The researchers decided how much red pepper each group would receive.

how much 多少
例句：How much coal did we use last winter? 
去年冬天我们用了多少煤？ 

6. They were prepared at the same temperature as meat with the marinade mixes.

meat with 符合
例句：The plan seems to meet with their ideas.
这计划似乎符合他们的主张。