keep to the beaten track

英式音标：

美式音标：

词汇分类：英语怎么说（词组）,雅思核心词汇

词义：

释义

循规蹈矩；

用法：

权威例句

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造句：

1. Pectins are demonstratet by staining with ruthenium red.

可以用钌红来鉴定果胶.

来自辞典例句

2. Iron, nickel, copper, silver, gold, iridium , or ruthenium may be included as cocatalyst metals.

铁 、 镍 、 铜, 银 、 金, 铱或钌,可用作复合催化剂金属.

来自辞典例句

3. Native ruthenium and hedleyite were identified in the pyrite quartz lodes.

自然钉及含铂赫碲铋矿发现于其中的黄铁矿石英脉型矿五中.

来自互联网

4. Ruthenium oxi dation suing emulsion technology is the most commercially efficient method.

对不同的氧化方法进行分析,使用乳化技术的钌盐氧化是最经济的氧化方法.

来自互联网

5. Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis.

综述了钌催化剂催化的主要几类有机合成反应,包括氢化 、 氧化 、 异构化 、 复分解.

来自互联网

[ ruthenium 造句 ]