concentre是什么意思

v.集中于一点,集合

1、They were asked to concentrate their efforts on solving the most urgent problems.
他们被要求集中精力解决最紧迫的问题。

2、This juice is a concentrate and needs to be diluted before drinking.
这种果汁是浓缩液，饮用前需要稀释。

集中；浓缩；浓缩物。