Deltaic
a. 三角形的, 三角洲的
??? 情景例句
I said I'd give her an answer in a few days ...
我說這幾天給她回答……
Just listen to me, and you'll be fine.
聽我的準(zhǔn)沒錯。
Can we buy it on instalments?
我們可以用分期付款的方式購買嗎？