Keyfield
[计] 键区, 关键字段
🗣️ 情景例句
How big is your family?
你家有几口人？
Her job is beginning to get her down.
她开始对工作感到厌倦了。
The shape and dimensions of the skyscrapers depend entirely on the necessity of obtaining the maximum income per square foot of ground,
每平方英尺地皮取得最大收入