您要查找的是不是：
- It's too hot to concentrate on book. 熱得不能集中心思看書(shū)。
- I must concentrate my energies on decorating today. 我今天必須集中精力搞裝飾。
- I can't concentrate on my work when I'm tired. 我累了就無(wú)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，別打攪我。
- We must concentrate our attention on efficiency. 我們必須把注意力集中在效率上。
- She couldn't concentrate on a book very long. 她不能長(cháng)時(shí)間專(zhuān)心讀一本書(shū)。
- I must concentrate upon my work now. 我現在必須集中精力工作。
- Birds concentrate (in places) where food is abundant. 鳥(niǎo)聚集在食物豐盛的地方。
- She felt ill. She went to work, however, and tried to concentrate. 她病了。然而她照舊去上班，并且盡力集中精神工作。
- We must concentrate our efforts on improving education. 我們必須致力於改進(jìn)教育工作。
- I can't concentrate with you breathing down my neck. 你這樣緊緊盯著(zhù)我，使我精神無(wú)法集中。
- A racking headache made him unable to concentrate on his study. 折磨人的頭痛使他不能全神貫注地學(xué)習。
- Will you children shut up?! I can't concentrate on my work. 孩子們可以請你們閉嘴嗎?我沒(méi)法子專(zhuān)心工作。
- They chose to concentrate on simpler and more durable hardware. 他們選擇加強更簡(jiǎn)單牢固的武器。
- Sulphur can join into kerogen, becoming sulphur-bearing kcrogan. 9、單質(zhì)硫都能鍵合進(jìn)入干酪根形成含硫干酪根。
- Tom finds it difficult to concentrate. 湯姆發(fā)現很難集中注意力。
- I'll use my bard song to help you concentrate! 我會(huì )用我的吟游詩(shī)人歌曲幫你集中精神!
- Kerogen type is mainly humic,and terrestrial higher plants are the petrologen. 干酪根類(lèi)型以腐殖型為主,成烴母質(zhì)為陸地高等植物;
- But I still can not concentrate my mind on reading. 不過(guò)，我仍然不能集中心思讀書(shū)。
- He can not concentrate his thoughts on his studies. 他不能把思想集中在他的學(xué)習上。
