That which is treated in writing, speaking, etc., or concerning which anything is said or done; topic.

题目；话题；论题。

Course of study.

学科。

A cause.

理由。

The word or word group in a sentence, denoting that of which anything is affirmed.

【文法】主词。

Thinking and feeling entity.

【哲】主体。

One who or that which is subjected to an experiment or treatment.

医疗或实验的对象。

One who owes allegiance to a sovereign.

臣民。

A person having or likely to have a certain disease or disorder.

(可能)有某种疾病或不正常的人。

Under the power or control of another.

属下的受；支配的。

Liable; prone.

可能遭受...的；易受...的。

Conditional (upon).

有条件的；听候的。

To bring under control.

使服从；征服。

To make liable; to cause to undergo.

使易受；使遭受。