Ethanthiol
己二硫醇
🗣️ 情景例句
No, we have the Spring Festival's celebrations with feasts and fireworks.
不，我们以宴会和焰火庆祝春节。
Thank you for your attention.
谢谢大家专心聆听。
Look out! There's a kangaroo!
当心！一只袋鼠！