原级：slacken
现在分词：slackening
\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
过去分词：slackened
过去式：slackened
1. As the economic growth of the developed world slackens, experts say many countries are likely to bring more trade remedy cases against Chinese exporters.