Anthanthrone
[化] 二苯并[cd,jk]芘-5,10-二酮
🗣️ 情景例句
Your room number is 512. Here's your key.
房间号码是512。这是您的钥匙。
Turn left at the first light. You can't miss it.
到第一排红绿灯处往左拐。你不会找不找的。
Chinese take-away food is also popular.
中式方便食品也很流行。