Polyacenaphthylene
[化] 聚苊
🗣️ 情景例句
Oh, that's a very good school.
哦， 那是个好学校。
Death is the grand leveller.
凡人都要死，大家都一样。
Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,
自那以后，人们很难决定是否应该将这种运载工具列为轮船、