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- Animals with rabies often froth at the mouth. 患狂犬病的动物常常口吐白沫。
- I don't like beer with too much froth. 我不喜欢泡沫太多的啤酒。
- A rabid dog may froth at the mouth. 疯狗可能嘴边流著白沫。
- The play was little more than froth. 这出戏只不过是些浅薄的空谈。
- Their chatter was nothing but froth! 他们聊天儿没别的，全是废话！
- 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。
- Made of, covered with, or resembling froth; foamy. 泡沫的泡沫的、被泡沫覆盖或象泡沫的; 充满泡沫的
- 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。
- froth concentrate 泡沫精矿
- Birds concentrate (in places) where food is abundant. 鸟聚集在食物丰盛的地方。
- 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。
- Don't move those flower pots back and froth. 你别来回摆弄那几盆花了。
- I don' t like beer with too much froth. 我不喜欢泡沫太多的啤酒.
- 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。
