Titroscope
滴定式酸碱计
🗣️ 情景例句
She's hard to resist.
真是人见人爱。
Joy to the world!
给这个世界欢乐！
He's picking the apples on that tree. He's putting them in a basket.
他在摘那棵树上的苹果。他正在把苹果放进一只篮子里。