1. 全神貫注;集中（心思）
    If you concentrate on something, or concentrate your mind on it, you give all your attention to it.

    e.g. It was up to him to concentrate on his studies and make something of himself...
           是否能專心學(xué)習(xí)并取得一定成就要靠他自己。
    e.g. Water companies should concentrate on reducing waste instead of building new reservoirs...
           自來(lái)水公司應(yīng)該集中精力減少水浪費(fèi)，而不是修建新水庫(kù)。

2. 使集中;使匯集
    If something is concentrated in an area, it is all there rather than being spread around.

    e.g. Italy's industrial districts are concentrated in its north-central and north-eastern regions...
           意大利的工業(yè)區(qū)集中在該國(guó)中北部和東北部地區(qū)。
    e.g. Most development has been concentrated in and around cities.
           土地開(kāi)發(fā)主要集中在城市及周邊地區(qū)。

3. 濃縮液;濃縮物
    Concentrate is a liquid or substance from which water has been removed in order to make it stronger, or to make it easier to store.

concentrate是什么意思

    e.g. ...orange juice made from concentrate.
           用濃縮橙汁沖兌的橙汁

4. 使清楚地思考
    If you say that an unpleasant fact or situation concentrates someone's mind, you mean that it makes them think clearly, because they are aware of the serious consequences if they do not.

    e.g. A term in prison will concentrate his mind wonderfully.
           一想到要被判刑，他的頭腦就會(huì)變得非常清醒。