Eustachitis
咽鼓管炎
🗣️ 情景例句
This is terrible.
真是太糟了。
Misforunes come on horseback and go away on foot.
遭灾易，消灾难。
They play it like this, six students stand in a row in front of the class.
6个学生在全班前面站成一排。