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1·Hop is one of important raw materials for bittering beer.

酒花是啤酒的重要原料之一。

2·The de-bittering agent is preferably provided as a blend of sodium salt and potassium salt, a gluconate, a commercial bitter blocker or a combination thereof.

去苦味剂优选提供为钠盐和钾盐的混合物、葡萄糖酸盐、商业苦味阻滞剂或其组合。

3·I have no idea who brought it here, but grandpa did not have a habit of drinking coffee, for he felt the bittering taste had no way to compete with the faint scent of tea.

不知是谁送来的，爷爷却是没有喝咖啡的习惯，在他眼中咖啡苦苦的滋味是怎么也比不了他手中那壶茶的清香。