Diphdrotachysterol
二氢速甾醇
🗣️ 情景例句
Maybe you saw our commercials on TV.
也许你在电视上看过我们的广告。
If one sheep leap o'er the dyke,all the rest will follow.
一羊跳过沟，众羊跟着跳。
Where do you want me to sign?
你要我签在哪里？