weeds，
英语单词，主要用作为名词、动词，作名词时意为野草（weed的复数形式）；丧服；（悼念用的）黑纱；作动词时意为清除（weed的第三人称单数形式）；除去杂草；除去无用的东西。
If left unchecked, weeds will flourish.
We hurried on until we reached a courtyard overgrown with weeds.
With repeated applications of weedkiller, the weeds were overcome.