Anthanthrone
[化] 二苯并[cd,jk]芘-5,10-二酮
🗣️ 情景例句
OK, a movie. Six words.
好， 一部电影。六个字。
I have no idea what they're going to say, so I'll have to play it by ear.
我一点不知道他们将会说些什么，所以我只好见机行事。
But when the train dawdled at station after station, I began to wonder,
但是，当火车一站接着一站往前蠕动时，我便产生了怀疑。