danger line

常见例句

• The diver went into the deep water beyond the danger limit.
  潜水员下潜到超过危险线的深水中去了。
• I got two on the first base foul line.
  我有两张垒界外线旁的座位票。
• The playing area is demarcated by a white line.
  运动场地以白线为界。
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