Vibrograph
n. 振动计\\n[电] 振动管
🗣️ 情景例句
Mr. Gao in Room 409.
409房间的高先生。
The children began to get across at each other.
孩子们开始争吵了。
Ready? Go! Mr. Hu shouted, and the boys started to run.
“预备--跑！”胡先生喊道，男孩子们开始跑。