nulls

常见例句

用作形容词 (adj.)

• Their actions rendered the contract null and void.
  他们的行为使合同无效。
• The marriage was declared null and void.
  婚姻已宣告无效了。

用作名词 (n.)

• The path must end with a null character.
  该路经必须以零结尾。
• Vomit in null gravity wouldn't be fun.
  如果在零重力下呕吐了可不是件好笑的事。
• A null reference pointer was passed to the stub.
  向占位程序传送了空的索引指针。
• Primary keys do not allow null values.
  主键不允许空值。
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