a substance that is needed to keep a living thing alive and to help it to grow
- 一种物质(a substance )
- 这是维持生物生存和帮助其生长所必需的(that is needed to keep a living thing alive and to help it to grow)
索思英语解码单词(第473个)——alcohol酒精
索思英语解码单词(第471个)——beer啤酒
索思英语解码单词(第468个)——lettuce莴苣
索思英语解码单词(第463个)——time时间
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