Kerf
n. 劈痕, 截口, 切口\\n[机] 锯口, 截口
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
In for a penny,in for a pound.
做事一开头，就要做到底；一不做，二不休。
Please take whatever you like.
请随意拿取吧。