当sea意为海浪、水域时，是可数名词，复数形式为seas；当sea意为海洋、海水时，是不可数名词，前面要加冠词the。英语单词sea作为名词，中文含义有海、海洋、海面情况、海浪状况、海水等。
sea的基本释义及用法介绍
sea作为名词，中文翻译为海、海洋、海浪、波浪、许多、大量等。
1、当sea意思为海、海洋、海水时，是不可数名词，sea前要加冠词the。
例句：The waste was dumped in the sea .
废物倒入海中。
The wreck is lying at the bottom of the sea.
沉船躺在海底。
He looked down at the sea of smiling faces before him.
他看着眼前这笑脸的海洋。
The sea covers nearly three-fourths of the world's surface.
海洋几乎占地球表面的四分之三。
The small craft was exposed to the danger of the open sea.
那只小船曾经历了在空旷的海洋里穿行的种种危险。
2、当sea意思为水域、波浪、海浪、汹涌的波涛时，是可数名词，复数形式为seas。
例句：He drowned after 30 minutes in the rough seas...
他在汹涌的海浪中挣扎了 30 分钟后淹死了。
Then, according to the two variables, the sea state and the rock intensity of the ship in the real environment are evaluated, and the imaging is separated into several processing cases.
然后根据这两个参数，判断海面环境情况和舰船摇摆强弱，对成像情况进行细分。
Berth the rough and non-rough sea surfaces cases are covered, and a complete set of calculation steps, formulas and curves is given.
其中既考虑了粗糙海面情况，又考虑了非粗糙海面情况，并且给出了全套计算步骤、公式和曲线。
