life line

同根派生

英汉例句

• But we can discern no sign that they had an overarching influence on other areas of life.
  谷类驯化了几千年之后，农业开始成为社群的命脉，男性支配权即使还存在，也不再理所当然。
• Water is the life blood of this area, but it takes constant vigilance and effort to keep it in its place.
  水是当地的命脉，但也需要不断提高警惕和不懈的努力来使之不至泛滥成灾。