Cardiophonogram
心音图
🗣️ 情景例句
Where is your hometown?
你的籍贯是哪里？
Drowning man will catch at a straw.
溺水的人一根草也要抓。
Instead of catching fish,they catch old boots and rubbish.
他们往往鱼钓不到，却钓上来些旧靴子和垃圾。