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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。
- gypsum concentrate 石膏精矿
- 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。
- I must concentrate upon my work now. 我现在必须集中精力工作。
- Hemihydrate can be used instead of gypsum. 半水物硫酸钙可以用来代替石膏。
- A dense translucent, white or tinted fine-grained gypsum. 雪花石膏一种不透明的、白色或浅色的纹理细密的石膏
- Birds concentrate (in places) where food is abundant. 鸟聚集在食物丰盛的地方。
- The gypsum slurry is pumped into a diked area. 我们用泵将石膏料浆打到一块用堤围起来的空地中。
- This method of handling gypsum is satisfactory. 这种输送石膏的方法是令人满意的。
- 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。
- We must concentrate our efforts on improving education. 我们必须致力於改进教育工作。
- Gypsum is the product of the process. 此方法的产物为石膏。
- Up to 5% of gypsum can be added to cement products. 水泥成品中最多可以添加5%25的石膏。
- Huoxingbaitu, bentonite series products, gypsum. 活性白土,膨润土系列产品,石膏。
- 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。
- Gypsum line to avoid parch and split up. 石膏线避免干裂松动。