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单词 lock sill
释义

Definition of lock sill in English:

lock sill

noun
  • A horizontal timber or masonry structure at the base of the entrance to a canal or river lock, against which the gates close.

Origin

Early 19th century; earliest use found in The Monthly Magazine and British Register.

Definition of lock sill in US English:

lock sill

noun
  • A horizontal timber or masonry structure at the base of the entrance to a canal or river lock, against which the gates close.

Origin

Early 19th century; earliest use found in The Monthly Magazine and British Register.

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更新时间:2024/11/11 5:29:13