Where good natural protection is not available a fixed hanger or ringbolt should replace the piton.

若该处并无良好天然支点，则定耳片或环形锚栓取代该岩钉。

Bombproof -A hold or anchor that is thought to offer the utmost security; for example, a top-rope anchor around a large, stable tree trunk or immovable boulder.

非常可靠支点或保点，例如，在大树或者巨石上做顶绳保锚点。

Thus, stabilizing the exchange rate between the world’s two largest trading countries could be a useful fixed point for checking the devaluationist proclivities of other nations around the world.

因此，世界上两最大贸易国家间稳定汇率是控制世界其他国家货币贬值主义倾向有用支点。