Vis conservatrix
[医] 天然抵抗力
🧩 词语组成解析
[医] 力
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
OK. Let me help you. There! OK?
我来帮你，瞧，行了吧？