Kaurinolic acid
[化] 贝壳杉脑酸
🧩 词语组成解析
🗣️ 情景例句
Yes, it is. Come up.
是的 是我。请上来
And do you have friends there?
你在那儿有朋友吗？
We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.
我们都非常激动，盼望着奥运会的到来，因为在这个国家里还从未举办过奥运会。