abutment是什么意思

n.邻接,桥礅

1. The bridge was supported by strong abutments at either end.
这座桥的两端有坚固的支撑墩。
2. The dental implant is securely anchored to the abutment.
牙植体牢固地固定在牙槽突上。
3. The steel beam acts as the abutment for the weight of the building above.
钢梁作为上方建筑物重量的支撑物。

（1）（桥梁等的）支撑墩（2）牙槽突（3）支撑物