Boroxin
环硼氧烷
🗣️ 情景例句
I major in English and minor in French.
我主修英语，副修法语。
A life without a purpose is a ship without a rudder.
人生无目的，犹如船失去了舵。
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，