Pertechnetate
高锝酸盐
🗣️ 情景例句
Right.
好的。
Today is my birthday.
今天是我的生日。
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。