conjecture

推測、猜測、揣測正式

Without solid data, his report is pure conjecture.

缺乏確切的數據，他的報告純屬推測。

猜想數學

Mathematicians spent decades trying to prove the conjecture.

數學家花了數十年試圖證明這個猜想。

推測、猜想正式

Researchers conjecture that the virus spread through contaminated water.

研究人員推測這種病毒是透過受污染的水傳播的。