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
We get our friends to roll their sleeves up and get to work.
我们召集我们的朋友共同卷起袖子来做。
Will you stay there for long?
你会在那儿待很长时间吗？
I reflected that there must be a great many local people besides myself who wished to take advantage of this excellent service.
我想除我之外，想利用快车之便的也一定大有人在。