Useful area
[化] 有效面积
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
I know you miss your mother.
我知道你想念你妈妈。
This is a poem about frontier life in the United States.
这是关于在美国的边疆生活的一首诗。
Just as it was leaving, Mr.Taylor rushed out and ran after it throwing ashtrays and vases,
就在轿车离开的时候，泰勒先生从店里冲了出来，跟在车后追赶，一边还往车上扔烟灰缸、花瓶。