a change that affects the physical characteristics of a substance without altering its chemical structure

物理变化, 物质变化
the state of being together with someone or something, particularly for the purpose of socializing or companionship

陪伴, 公司
to create or choose a course of action from various options after considering the available information and potential consequences
a period in one's life between puberty and adulthood

青春期, 青少年时期
a young person who is in the process of becoming an adult

青少年, 未成年人
the right to act, say, or think as one desires without being stopped, controlled, or restricted

自由, 自由权
unable to wait calmly for something or someone, often feeling irritated or frustrated

不耐烦的, 急躁的
the feeling of being extremely annoyed by things not happening in their due time

不耐烦, 焦急
a feeling of annoyance or discomfort caused by something that is bothersome or unpleasant

不适, 烦恼
