Salnatron
粗碳酸钠
🗣️ 情景例句
Ask him to join us for lunch.
请他来和我们一起吃午饭。
My parents got married in 1
我父母1954年结婚的。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。