Aggradational
a. 沉積的
??? 情景例句
We would adopt payment by instalments for our present practice,
這次交易我們將采取分期付款方式，
Help! I've been kidnapped.
救命呀！我被綁架了！
He suggested that a double railway-tunnel should be built.
他提議建一條雙軌隧道，這樣就解決了通風問題。