Hexides
己糖二酐(脱二水己六醇类)
🗣️ 情景例句
if people took the time to read.
只要人们肯花时间去阅读。
May I ask you a question?
我可以问一个问题吗？
the message to its home planet is barely halfway there.
那么这个信号在发回到原来的行星途中刚刚走了一半路程。