The receptionist kept the phone pressed to her ear while checking the guest list.

櫃檯接待員一邊把電話貼在耳邊，一邊核對賓客名單。

Please wear ear protection in the warehouse whenever the loading machines are running.

裝卸機器運轉時，在倉庫內請務必配戴耳朵防護用具。

During the long flight, my ears hurt as the plane began its descent into Tokyo.

長途飛行中，飛機開始降落東京時，我的耳朵感到疼痛。