Phonophone
振子频率调节器
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
I can't do it by myself.
我一个人哪做得完啊！
Look into the river, said the monkey. There he is! See his head?
“往河里看，”猴子说，“他就在那里！看见他的头了吗？