Osteophone
助听器, 骨导耳机
🔁 扩展释义
【医】 助听器
🗣️ 情景例句
But I'm sure he has a few bags with him on the train.
不过我相信他在火车上还有几件行李的。
Do business, but be not a slave to it.
要做事，但不要做事务的奴隶。
I like television very much.How much does it cost?
我非常喜欢这台电视机。请问它多少钱？