🧩 词语组成解析
pentagon
['pentəgən]
n. 五边形，五角形;五角大楼（指美国国防部）;
gang
[ɡæŋ]
n. 帮派，团体;盗贼等的)一帮;（工具，机械等的）一套;〈美俚〉棒球队;
vt. 使结成一帮;成群地袭击;
vi. 结伙行动;
🗣️ 情景例句
Where did you go to school?
你在哪儿上学？
Doing is better than saying.
行胜于言。
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。