Transanhydrisation
酐交换作用
🗣️ 情景例句
One thing that makes it easier for you
有一件事可以使你作起决定来比较容易些
A blate cat makes a proud mouse.
猫儿腼腆，老鼠翻天。
The Sawyer live at 87 King Street.
索耶一家住在国王街87号。