Anthracene nucleus
[化] 蒽环
🧩 词语组成解析
n. 蒽\\n[化] 蒽
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
He conducted himself nobly.
他持身高尚。
The woman kept as near as she could to the children and even tried to get into the case herself, but it was too small.
这位妇女尽可能地靠近孩子，甚至自己也想钻进箱子里去，只是箱子太小了。