safety gear的用法和樣例：
例句
- The efficiency of any automatic safety device should be checked before every nitration.
每種自動安全裝置應在每次硝化前進行檢驗。 - Yolk is a design for a head protection device which revolutionizes the image and associations the specific user group has with safety equipment.
蛋黃是為頭部保護裝置所作的設計，它使特定用戶群對安全裝置的印象及聯想發生了革命性的改變。
