Apocynamarin
[醫] 夾竹桃麻苦素, 加拿大麻苦素
??? 情景例句
It's five years ago.
那是五年前了。
Love is never without jealousy.
愛情莫不忌妒。
It took years of hard work to speak good English.
講一口流利的英語需要多年的刻苦操練。