Aetiologist
n. 病因学家；病原学家；原因论学家 (aetiology的变形)
🗣️ 情景例句
The cradle will rock.
摇篮跟着晃。
She is free any time you need help.
你需要帮忙时，请随时向她求助好了。
Speak louder，please.
说话请大声点儿。