✅ 同义词
🗣️ 情景例句
A community center
一个社区中心
Evil communications corrupt good manners.
交往恶劣，有损风度。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，