Frenock
四氟丙酸钠
🗣️ 情景例句
Hi. How was lunch?
嗨 。午餐怎么样？
A clear conscience laughs at false accusations.
白日不做亏心事，夜半敲门心不惊。
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。