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- It's too hot to concentrate on book. 热得不能集中心思看书。
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。
- I can't concentrate on my work when I'm tired. 我累了就无法集中精力工作。
- Don't put me off when I'm trying to concentrate. 我正要集中注意力呢,别打搅我。
- We must concentrate our attention on efficiency. 我们必须把注意力集中在效率上。
- She couldn't concentrate on a book very long. 她不能长时间专心读一本书。
- aqueous concentrate 浓水剂
- I must concentrate upon my work now. 我现在必须集中精力工作。
- Birds concentrate (in places) where food is abundant. 鸟聚集在食物丰盛的地方。
- An aqueous solution of a nonvolatile substance. 溶液不易挥发物质的水溶液
- She felt ill. She went to work, however, and tried to concentrate. 她病了。然而她照旧去上班,并且尽力集中精神工作。
- Easy to remove with solvents or aqueous cleaner. 容易用清洁剂或溶剂清洗。
- We must concentrate our efforts on improving education. 我们必须致力於改进教育工作。
- Aqueous Environmental Chemistry ? 水环境化学
- Water and Aqueous Solutions under Pressure. 压力下的水、及水溶液。
- I can't concentrate with you breathing down my neck. 你这样紧紧盯著我,使我精神无法集中。
- Aqueous acid solution conduct electricity. 酸的溶液会导电。
- A racking headache made him unable to concentrate on his study. 折磨人的头痛使他不能全神贯注地学习。
- Will you children shut up?! I can't concentrate on my work. 孩子们可以请你们闭嘴吗?我没法子专心工作。
- The ciliary body produces aqueous humor. 眼睛的睫状体会产生水状体。