Knockability
(型砂)出砂性
??? 情景例句
In those days, when they made quilts.
那個時代 ，人們做被罩時，
Progress is the activity of today and the assurance of tomorrow.
進展即今日的活動和明日的保證。
We arrived in London this afternoon.
我們是今天下午到達倫敦的。