Simex
联合法提取
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
Far from it!
还差得远呢！
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。