S69. subject-S70. submarine

subject, subjective

构词：sub-（下）＋ject（扔）

扔下去 n. 主题; 科目; 臣民; (实验)对象。adj. 臣服的; 易遭受…的。v. 使臣服, 使遭受, 取决于。

相关：abject, eject, inject, interject, object, project, reject

搭配：（n.）an expert on the subject, change the subject, 

subject index,  a forbidden subject, my favorite subject, British subject, male subject; （adj.）subject peoples, be subject to; （v.）subject someone to something, subject to certain conditions

subjective adj. 主观的; 主语的。

the answer is subjective, it’s a subjective matter / decision / feeling; subjective case

近义：n. = topic, point, theme; dependent, subordinate;  

                    discipline; participant

            adj. = liable, susceptible, vulnerable

            v. = submit, expose, depend on

submarine

构词：sub-（下）＋mar（= merg 淹没）＋ine（machine）

下沉的机器 n. 潜艇。adj. 海底的。

相关：marine, marsh, mermaid, mere, merge

搭配：a nuclear submarine; submarine cables / plants