Backward edge
[计] 后向边
🧩 词语组成解析
edge
[ɛdʒ]
n. 边;优势;（悬崖、峭壁的）边缘，端;锋利，尖锐;
vt. 在…上加边界;使渐进;给（刀刃）磨边，使锋利;修整;
vi. 慢慢向前移动，侧身移动;
🗣️ 情景例句
A table spoon is much bigger than a teaspoon.
汤匙要比茶匙大得多。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？