名詞濃度; 集中; 專心; 關(guān)注
名詞
1. concentration是什么意思
1. Concentration is essential if you want to do a good job.
如果你想把事情做好，專心是必要的。
2. What is the concentration of salt in sea water?
海水中鹽的含量是多少？
3. This thesis will need all your concentration.
這篇論文需要全神貫注才能讀懂。
4. There is a concentration of people in big cities.
大城市人口集中。
1. concentration：con; 專注力
1. 全神貫注;專心;專注
Concentration on something involves giving all your attention to it.
e.g. Neal kept interrupting, breaking my concentration...
尼爾不停地打斷我，使得我無法集中注意力。
e.g. We lacked concentration and it cost us the goal and the game.
我們注意力不夠集中，結(jié)果丟了球，輸了比賽。
2. 集中;匯集
A concentration of something is a large amount of it or large numbers of it in a small area.
e.g. The area has one of the world's greatest concentrations of wildlife...
這個(gè)地區(qū)是世界上野生動物最為密集的區(qū)域之一。
e.g. There's been too much concentration of power in the hands of central authorities.
權(quán)力一直過多地集中在中央機(jī)構(gòu)手中。
3. 濃度
The concentration of a substance is the proportion of essential ingredients or substances in it.
e.g. pH is a measure of the concentration of free hydrogen atoms in a solution...
pH值是測試溶液中自由氫原子濃度的單位。
e.g. The latest data showed that global ozone concentrations had dropped several per cent over the last decade.
最新數(shù)據(jù)顯示，過去10年來全球臭氧的濃度降低了幾個(gè)百分點(diǎn)。