uncertain

US /ʌnˈsɜ:rtn/

UK /ʌnˈsɜ:tn/

A2 初級英檢高級多益
adj.形容詞不定
If you are feeling uncertain about marrying him, you should take some time to consider the proposal
adj.形容詞難以預測的
The weather is uncertain this week.
adj.形容詞不明確的
The future of the company is uncertain.

影片字幕

Peter Diamandis - 談人類下一次的大躍進 (中英雙字幕) (Peter Diamandis - 談人類下一次的大躍進 (中英雙字幕))

15:29Peter Diamandis - 談人類下一次的大躍進 (中英雙字幕) (Peter Diamandis - 談人類下一次的大躍進 (中英雙字幕))