Marcs
abbr. Marine Computer System 海运电脑系统
🗣️ 情景例句
There are so many things to consider.
是有许多事情要考虑。
Opportunity seldom knocks twice.
机不可失，失不再来。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）