weighten

词形变化

weightened weightening weightens 三单 weightens weightening 现在分词 weightened 过去式 weightened 过去分词

释义与例句

v.
  1. 1.

    To add or give weight to; make heavy

    及物
  2. 2.

    To give support or importance to; make weighty

    比喻 及物
  3. 3.

    To weigh down

    及物 引申义
  4. 4.

    To become heavy

    不及物

词源

From weight + -en.

来源：wiktionary