记忆方法
Ferrous: 废螺丝，好螺丝废螺丝都是铁螺丝----含铁的。
中文词源
ferrous 铁的
来自拉丁语ferrum,铁。
英语词源
- ferrous
-
ferrous: see farrier
- ferrous (adj.)
- "pertaining to or containing iron," 1865, from Latin ferreus "made of iron," from ferrum "iron" (see ferro-). In chemistry, "containing iron," especially with a valence of two. Contrasted with ferric.
权威例句
- 1. The water was reacting with the ferrous iron in the tank.
- 水与水箱中的铁质产生化学反应.
- 2. Ordinarily, standard ferrous sulfate loses strength with age, due to air oxidation.
- 标准硫酸亚铁盐类由于受到空气的氧化一般会随时间而失去其作用.
- 3. Nodules contain a mixture of ferrous and ferrous - oxy leghemoglobin.
- 根瘤含有亚铁和亚铁一氧化豆血红蛋白的混合物.
- 4. Ferrous metals , timber, and pulp seem to offer the main field of reduction.
- 看来,黑色金属 、 木材和纸浆是削减的重要对象.
- 5. The treatment sequence involved addition of ferrous sulfate for precipitation, and subsequence filtration.
- 处理步骤是先加硫酸亚铁使之沉淀, 然后过滤.
相关单词
广而告之
1一秒钟记单词小学英语单词记背神器英语一二三四五六年级人教版英语词汇汇总表单词记背神器 单词记忆书单词词汇速记强化训练
【推荐理由】赠运费险，热门商品
【现价】27.9
【下单链接】38￥ CZ3457 5OArdvEMFvn￥