Sonal
a. 声速的, 声音的
🗣️ 情景例句
You didn't put film in the camera, silly!
笨蛋，摄影机里没有放胶卷。
The little boy left home for his first day at school.
那个小孩第一天离开家去上学。
Don't be uneasy about the consequence.
不必为后果忧虑不安。