Guaithylline
[化] 愈创茶碱; 愈创木酚甘油醚茶碱
🗣️ 情景例句
That's OK, Malcolm.
没有关系， Malcolm。
The spacecraft is scheduled to arrive at Saturn next year.
太空船预定明年到达土星。
Hello. Is that Li Lei?
喂。你是李雷吗？