🧩 词语组成解析
alder
['ɔ:ldə]
n. 桤木;
🗣️ 情景例句
Well, that's easy.
哦， 那很简单。
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
What colour is it?
是什么颜色的？