1. absorb [əb'zɔːb] 
v.使专心,全神贯注
He was completely absorbed in reading and forgot even to take his meal. 他全神贯注地看书，都忘记吃饭了。

2. concentrate ['kɒns(ə)ntreɪt] 
v. 集中,浓缩
You need to concentrate on what you’re doing. 你要专注你在做的事情。
concentrated laundry detergent 浓缩洗衣液

3. focus ['fəʊkəs] 
vt. 使集中，使聚焦 n. 焦点
Focus on who you want to be and how you want to feel. 把精力集中在你想成为谁和你想要何种感觉上。

4. engage [ɪn'geɪdʒ] 
vt. 吸引，订婚，雇佣 vi. 从事
Most students engage in extracurricular activities after school and on weekends. 大多学生课后和周末会参加课外活动。

5. immerge [ɪ'mɜːdʒ] 
vi. 浸入，埋头
merge v. 合并，吞并 
merge and acquisition 并购
emerge v. 出现 
emergent adj. 紧急的 
emergency n.紧急情况
submerge v. 淹没，浸没

6. immerse [ɪ'mɜːs] 
vt. 沉浸，使陷入
He is really becoming immersed in his work. 他真正变得专注于自己的工作。

7. indulge [ɪn'dʌldʒ] 
v. 沉溺，满足
Don’t indulge in fantasy. 不要沉迷于幻想。

8. addict [əˈdɪkt] 
vt. 使沉溺, 使上瘾 
addiction n.
Don’t addict yourself to such foolish things! 不要让自己沉迷于这些愚蠢的事情。

9. obsess [əb'ses] 
vt. 迷住，使着迷，使困扰 
obsession n. Roger is obsessed with Kathy. Roger被Kathy迷住了。
She is obsessing over her weight. 她总是对她的体重感到困扰。