Semibenzene
半苯, 对二烷基亚甲基环己二烯
🗣️ 情景例句
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
Keep the change.
不用找了。
I started to sing. The baby watched and listened ,and she didn't cry any more.
我开始唱歌。小孩看着，听着，不再哭了。