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1·Just add some mustard powder to a bowl of hot water, put both feet in and relax.

在一盆热水中加些芥末，把双脚放进去并且放松。

2·Don't eat too many mustard seeds or more than a teaspoon of mustard powder; the former has a strong laxative effect, while the latter can induce vomiting.

不要吃太多的芥末籽或超过一茶匙的芥末粉：因为前者具有很强的通便作用，而后者则可引发呕吐。

3·The mustard is sold in powder form.

芥末是以粉末状出售的。《牛津词典》

4·Heat in a pot the butter, honey, mustard and curry powder (soy and garlic, is using). Heat and stir until butter is melted.

将黄油、蜂蜜、芥末及咖喱粉入锅加热(亦可添加酱油和蒜盐)，不停搅动，至黄油熔化为止。

5·The antifeed activity, toxicity and control effects of urinary wash mixture with different proportion of urea and washing powder on mustard aphid were studied in this paper.

对不同配比的尿洗合剂对菜蚜的拒食活性、触杀毒力和控制效果进行了研究。