
好词典

源自古英语 'syll' 或 'sill',意为门槛或基础部分,可能与古诺尔斯语 'syll' 同源。
❶ 窗户或门底部水平的框架部分,通常由木头、石头或金属制成,用于支撑窗户或门的结构。
“She sat on the sill and looked out the window.”
(她坐在窗台上,望着窗外。)
“The cat jumped onto the sill to catch some sunlight.”
(猫跳到窗台上晒太阳。)
❶ 地质学中,指水平或接近水平的岩层,通常由岩浆侵入其他岩层后冷却形成。
“The geologists studied the igneous sill in the valley.”
(地质学家研究了山谷中的火成岩岩床。)
“The sill was formed when magma intruded between sedimentary layers.”
(岩床是由岩浆侵入沉积岩层之间形成的。)
window sill — 窗户的底部框架部分,通常用于放置物品或供人倚靠。
“She placed her coffee cup on the window sill.”
(她把咖啡杯放在窗台上。)
door sill — 门底部的水平框架,通常用于防止水或灰尘进入室内。
“He tripped over the door sill and almost fell.”
(他被门槛绊了一下,差点摔倒。)