Hydronautics
[复] n.[用作单]水航工程学
🗣️ 情景例句
I need some help.
我需要帮助。
On New Year's Eve, people usually cook lots of good dishes.
在大年夜，人们常常做很多好吃的。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。