Practice saying the phrases below and test yourself with the speech-recognition tool.
(Note: This tool currently does not work on iOS mobile devices.)
科學家、工程師、化學家、建築師、生物學家。科学家、工程师、化学家、建筑师、生物学家。
Use the recording tool (or any recording tool you have) to record and hear your practice.
(For premium plus members) When you are feeling confident, upload your recording for grading and feedback.