名词门槛; 阈
1. 门槛：doorshield 炉门遮板 | doorsill 门槛 | doorspringlocks 弹簧锁
2. 门槛;门坎：doorleaf门扉 | doorsill门槛;门坎 | doorstop门挡
3. 门坎：门垫doormat | 门坎doorsill | 门口doorway
4. 门槛 (名)：Doors 门, 著名的美国摇滚乐队 (名) | doorsill 门槛 (名) | doorstep 门阶 (名)
1. I became tired after some time strolling around so I sat upon a doorsill of an empty courtyard that was long and narrow.
2. However, hardly had he stepped over the doorsill when he was bitten by something.