reamer

• 名词，指一种用于压榨柑橘类水果取汁的带棱纹锥形工具，也指用于给孔洞整形或扩孔的钻头（铰刀/扩孔器）。

A noun referring to a tool with a conical ridged center used for extracting juice from citrus fruit, or a drill used to shape or enlarge holes.

1. Citrus juicerB1formalculinary

   A kitchen tool with a conical, ridged center used to extract juice from citrus fruits like lemons and oranges.

   柑橘榨汁器

   • She used a reamer to squeeze fresh lemon juice for the dressing.
   • The glass reamer was perfect for making orange juice.
   • He prefers a wooden reamer over an electric juicer.

   同义词juicer

2. Hole enlarging toolB2formaltechnical

   A rotary cutting tool used in machining to enlarge or shape an existing hole with high precision.

   铰刀

   • The machinist used a reamer to achieve the exact hole diameter.
   • A hand reamer is useful for finishing holes in metal parts.
   • The engineer selected a carbide reamer for the hard steel workpiece.