Grade separation
[经] 等级分类
🧩 词语组成解析
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了，再有几天就好了。
We are delighted with your products and are thinking of placing an order. The size of our order will depend greatly on your price.
我们对你方的产品非常满意，正欲订购。我们定单的大小主要取决于你方的价格。
In England, too, spring is longer.Spring in England can last from late March to May.
英国的春天也较长，能够从3月下旬延续到5月。