n. 脚;底部;英尺(=12 英寸或 30。48 厘米);脚步;
vt. 走,踏;
vt.& vi. 结算,总计,共计;
🗣️ 情景例句
That's easy.
这很容易。
Let me congratulate you on your success.
祝贺您的成功。
and near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.