Dihydrorotenone
二氢化鱼藤酮
🗣️ 情景例句
He felt that his life was no longer worth living.
他觉得他的生命已经没有再活下去的价值了。
Is this book his?
这本书是他的吗？
The doctor looked over James and asked the Shutes many questions.
医生给詹姆斯作了检查并问了舒特家人许多问题。