door sill:门槛、门框底部的横木/横条,位于门洞最下方(靠地面),用于承托门框、加强结构,并起到一定的防尘、防风或挡水作用。英式英语中也常说 threshold 表达“门槛”。
/ˈdɔːr sɪl/
I sat on the door sill and took off my shoes.
我坐在门槛上把鞋脱了。
A thin line of rainwater had gathered along the door sill, so she wiped it dry before closing the door.
一条细细的雨水沿着门槛积了起来,她在关门前先把它擦干。
door 来自古英语 duru(门);sill 来自古英语 syl/syll(横梁、底梁)。合起来 door sill 字面意思就是“门的底部横梁/底座”,后来固定指“门槛”这一部位。(不同地区也可能写作 doorsill,但 door sill 更常见。)