Echosounding
音响测深法
🗣️ 情景例句
I wore it when I married your father.
我和你父亲结婚时戴着它。
She regrets that she hurt your feelings.
他后悔伤害了你的感情。
I can lend you one and a few pieces of equipment.
我可以借给你一顶帐篷和几样装备。