?? 詞語組成解析
tract
[tr?kt]
n. 大片土地;（神經纖維的）束;小冊子;<古>一段時間，長時間;
housing
['hauzi?]
n. 房屋;供給住宅;掩護;外罩;
??? 情景例句
He's 20 kilos overweight for his height.
就他的身高而言，他的體重超了20公斤。
Let me tell you about our product.
關于產品一事讓我向你說明。
Even this was remarkable, considering that she had had so many delays.
但考慮到路上的多次耽擱，這個成績也已很不容易了。