Developed blade area
[化] 展开叶片面积
🧩 词语组成解析
a. 发达的（国家或地区）；成熟的
blade
[bled]
n. 刀片，剑;（壳、草等的）叶片;桨叶;浮华少年;
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
Lend-me your black-bag.
把你的黑包借给我吧。
He is very nervous, so he takes a lot of pills.
他非常的神经质，所以要服很多药
We would like a cup of tea, a bottle of orange, and four cakes, please.
请给我们来一杯茶，一瓶橙汁，和四块蛋糕。