Methoxyprophylline
美索茶碱
🗣️ 情景例句
I'm kind of boring. I really don't have many hobbies.
我这个人没什么劲。 我真的没什么爱好。
I'm gong to show him how to paint.
我正要指点他如何画画。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。