Sigmate
a. Σ形的, S形的
??? 情景例句
And we don't own anything to use as collateral.
可是我們沒有任何可以做擔(dān)保物的東西。
My goodness! A snake!
天呀！有蛇！
For once, Harry had to admit defeat.
哈里只好認(rèn)輸。