Polyarylate
多芳基化合物
🗣️ 情景例句
Now, let me explain one point to you.
现在，让我就这一点进行说明。
A friend is best found in adversity.
患难见真友。
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。