铜勺
铜勺-
甜辣对虾味道恰到好处，根本无需铜勺的涩味助阵，更无需劳金勺之大驾。
The sweet-peppery prawns were perfectly balanced , and did not require an astringent lick of copper , or even a smear of gold .
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铜勺与锌勺的味道厚重些，略带一丝金属苦味；铜勺由于在空气中略微氧化，所以闻上去甚至有股金属味。
Copper and zinc were bold and assertive , with bitter , metallic tastes ; the copper spoons even smelt metallic as they gently oxidised in the air .
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第二个问题，我通常用以下简单的组成：在一升热水（而不是开水）中两皂粉勺硫酸铜和一皂粉勺的固色剂（定影液），混合并过滤。
Second question-I usually use following simple com in one liter of hot , not boiled , water two soap spoons of copper vitriol and one soap spoon of fixing agent , mixed and than filter .