Pneumograph
n. 呼吸描记器\\n[医] 呼吸描记器
🗣️ 情景例句
I'm relieved to hear that.
你的话使我松了一口气。
Your shoe lace is loose.
你的鞋带松了。
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。