系

• This guided every move we made .
  此系我们所有行动的基准。
• We say that the real number system is a continuum .
  我们讲，实数系是一个连续集。
• There are two types of cell lines .
  有两种类型的细胞系。
• It is up to the doer to undo the knot .
  解铃还须系铃人。
• We'd better fasten our seat belts .
  我们最好系上安全带。
• She got a first in maths at exeter .
  她在埃克塞特大学数学系毕业，获一级荣誉学位。
• The whole story is a pure invention .
  这一切纯系假造。
• She asked me to do up her dress for her at the back .
  她要我给她把衣服从后面系上。
• Gestation extends from fertilization to birth .
  妊娠期系指从配种到分娩之间的时间。
• It was historic moment for a newspaper chain .
  对于报系来说，那是一个历史性的时刻。