Marrubiin
夏至(草素)味苦透明的内酯C20H28O4
🔁 扩展释义
【化】 夏至草素(得自欧夏至草的双萜内酯)
🗣️ 情景例句
I don't like to waste my time chatting on the net.
我不想把时间浪费在网络聊天上。
No, that's OK. How much do I own you?
不用了。散热器正常。我要付你多少钱？
A lot of cars entered for this race last year and there was a great deal of excitement just before it began.
去年有很多汽车参加了这项比赛。比赛开始之前，人们异常激动。