Infrasonic
a. 亚声的, 次声的, 低于声频的\\n[医] 听域下的
✅ 同义词
🔤 词根
infra-表示“下”
🌿 同词根单词
🗣️ 情景例句
The advanced class starts at ten o'clock.
高级健身课十点钟开始。
Do you have any hobbies?
你有什么爱好吗？
A small fishing boat was carried miles out to sea by the powerful fish as it pulled on the line.
一条小渔船被一条咬住钩的强壮的大鱼拖到了几英里以外的海面上。