Bitrex is the most bitter substance in the world.

苯酸苄铵酰胺是世界上最苦的物质。

youdao

Take bitter orange extract, a substance that has replaced ephedra as an ingredient in many weight-loss supplements.

苦橙提取物在很多减肥补充剂中都已经取代了麻黄。

youdao

The bitter almond contains amygdalin. Acid or enzyme can decompose amygdalin to prussic acid and benzaldehyde. Prussic acid is a poisonous substance.

苦杏仁含有苦杏仁甙，它在酸或酶的作用下，可以分解产生氢氰酸和苯甲醛，氢氰酸剧毒。

youdao

"The statement from the G20 last night may have taken the edge off the current bitter market sentiment, but the reassurances from the finance ministers lack substance, " said Jane Foley at Rabobank.

BBC: IMF promises decisive action for eurozone debt crisis