Heptacene
[化] 并七苯
🗣️ 情景例句
Hi, Carl.
嗨， Carl。
When I traveled to a foreign country, I was very aware that I was a Chinese.
当我出国旅行时，我非常明白自己是一名中国人！
When will the new people move into this house?
新住户什么时候搬进这所房子？