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- Deactivated dimerization-etherification catalyst in the protective bed was characterized by BET,elemental analysis,ICP and ion chromarograph. 采用BET、元素分析I、CP和离子色谱等手段对工业叠合醚化保护床失活催化剂进行了研究。
- Deactivated dimerization-etherification catalyst in the protective bed was characterized by BET, elemental analysis, ICP and ion chromarograph. 摘要采用BET、元素分析、ICP和离子色谱等手段对工业叠合醚化保护床失活催化剂进行了研究。
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- A mother naturally feels protective towards her children. 母亲对自己的孩子自然会悉心保护。
- They netted the fruit trees to protect them from birds. 他们用网覆盖住果树以使其免遭鸟害。
- She rushed off to work leaving her bed unmade. 她匆忙去上班连床都没铺好。
- A mosquito netting completely surrounds our bed. 一顶蚊帐把我们的床完全围住了。
- It was hard work getting the children off to bed. 哄孩子们去睡可不是容易的事。
- I threw off my clothes and tumbled into bed. 我脱掉衣服倒在床上便睡了。
- I usually go to bed at half past ten. 我通常十点半睡觉。
- He lay face downwards on his bed. 他俯卧在床上。
- Please unplug the TV before you go to bed. 临睡前请拔下电视机的插头。
- How can we protect our computer files? 我们怎样才能保护我们的计算机数据？
- These young plants will soon be ready for bedding in borders. 这些幼苗不久将栽到花坛中去。
- A protective covering of bony plates or scales. 护身甲壳保护骨盘或介壳的覆盖层
- She covered the bed with an old faded grey blanket. 她在床上铺着褪了色的灰色旧毯子。
- He put his arm round her in a protective gesture. 他用一只手臂围住她做出保护的姿势。
- He has neither prepared his lesson nor gone to bed. 他没有准备功课也没有睡觉。
- I put her to bed with a cup of tea. She's got flu. 她感冒了，我给她喝了一杯茶就让她上床睡觉了。
- A plastic cover protect the computer. 这台计算机由一个塑料防护罩盖着。
