| 在 | zài dú | to be studying (at a school or research institute) | 
| 在 | zài | to exist; to be alive / (of sb or sth) to be (located) at / (used before a verb to indicate an action in progress) | 
| 读 | dòu | comma / phrase marked by pause | 
| 读 | dú | to read out; to read aloud / to read / to attend (school); to study (a subject in school) / to pronounce |