Hydrograph
n. 流量过程线, 水位图, 水位曲线
🗣️ 情景例句
He doesn't have any family with him.
他没有家人和他在一起。
He laughs best who laughs last.
谁笑在最后，谁笑得最好。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。