Echolocation
[医] 回声测定
🗣️ 情景例句
Yes? May I help you?
什么事？我能为您效劳吗？
Do you have nay objection to the stipulations about the packing and shipping marks?
有关包装运输唛头的条款你们有什么异议吗？
When the balloon was over the station, the pilot saw one of the men taking photographs.
当气球飞临基地上空时，飞行员看见有一个人在拍照。