Whitworth
thread [機]惠氏螺紋,英制螺紋
??? 情景例句
Hi, Peter.
彼得，你好。
What part of the world do you come from?
你從世界的哪部分來的？
The dish rose to the surface and was gently drawn towards the canal bank.
盤子慢慢浮出水面，被輕輕地拽向運河岸邊。