有目击真称，踩踏是发生在一座桥上，其时，该桥已经过分拥挤了。
The stampede took place on a bridge, which eyewitnesses said had become overcrowded.
可不是嘛。真该向桥的设计者致敬。
种植体通常可以作为桥的支撑点与其他真牙或种植体相连。
Implants can be used as support for a fixed bridge by either connecting to natural teeth or to other implants.
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