Thephylline
[机] 茶碱
🗣️ 情景例句
Can I use your car for a couple of hours?
我们能借你的车用几个小时吗？
Self-distrust is the cause of most of our failure.
我们的失败多数是由于缺乏自信。
With great difficulty, he climbed into the shop window to get the dress.
费了好大劲儿，他爬进橱窗去取那件衣服。