fluvial
adj
of or found in rivers 河流的; 河中的
fluvial deposits of mud 河中的淤泥.
🗣️ 情景例句
Yes, what can I do for you?
是的,我能为您效劳吗?
He sketched his own part in the affair.
他概述了自己在此事中的作用。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.