D-trachelanthamidine
[化] 毒豆碱
🧩 词语组成解析
🗣️ 情景例句
I know it!
我知道！
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
Both of them are exciting. I like watching them. Are you good at sailing?
这两种运动都令人兴奋。我喜欢看。你擅长帆船吗？