Chs
abbr. 加拿大水文局（Canadian Hydrographic Service）；磁柱磁头扇区寻址（Cylinder Head Sector）；人类聚落委员会（Cordless Hand Scanner）；社区卫生服务（community health service）
🗣️ 情景例句
Look before you leap.
想好了再行动。
If it doesn't rain tomorrow, we'll have a picnic.
如果明天不下雨，我们就去野餐。
Learning English is like building a house.
学英语象盖房子。