Pregel
预凝胶
🗣️ 情景例句
Blackjack.
二十一点！
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。