Lignosite
木素磺酸钙
🗣️ 情景例句
Oh, wait a minute. What's today's date?
噢， 等一等 ，今天几号？
He works best who knows his trade.
内行的人做他的事一定会做得最好。
We have special river birthday parties in the summer.
夏天，我们为这条河举办特殊的生日宴会。