They learn first hand about the health and nutrition of dairy cattle, as well as the science of making butter, cheese, and other dairy products.

他们亲自了解有关奶牛的健康和营养知识，以及制作黄油，奶酪和其他乳制品的技术。

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He came in with a teacup in one hand and a piece of bread-and-butter in the other.

他进来时一手拿着茶杯，一手拿着一块黄油面包。

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If objects and inheritance go together like chocolate and peanut butter, objects and polymorphism are like hand and glove.

如果说对象和继承就像巧克力和花生酱的话，那对象和多态就好比手和手套。

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Referring to Thomas Sorenson's mistake that gifted England their opening goal, the Mail on Sunday's headline is 'Danish butter fingers hand it on a plate to Sven's men'.

BBC: 'Bring on Brazil'

Her suggestion: Keep healthful options -- energy bars, skim milk, even an almond butter and jelly sandwich -- on hand to keep hunger in check.

CNN: How to satisfy your cravings, healthily

If making the dough by hand, gradually beat in the butter mixture with a wooden spoon until incorporated.

NPR: Two Centuries of 'Baking in America'