Placing a 1/2 inch of mulched grass on top will help preserve moisture, but should be removed when the seed has fully germinated.是什么意思_Placing a 1/2 inch of mulched grass on top will help preserve moisture, but should be removed when the seed has fully germinated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句