Borofluoric acid
[机] 氟硼酸
🧩 词语组成解析
🗣️ 情景例句
He turned over his company to his son last year.
去年他把公司交给儿子管理。
Learn to walk before you run.
循序渐进。
All those who have contributed towards the gift will sign their names in a large album which will be sent to the headmaster's home.
所有凑钱买此礼品的人都将自己的名字签在一本大签名簿上，签名簿将被送到校长的家里。