Xanthagenate
磺酸盐
🗣️ 情景例句
How come I wasn't told?
你怎么没有听说？
He learns French every day.
他每天都学法语。
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。