Sca
abbr. 美国科学俱乐部联合会（Science Clubs of America）
🗣️ 情景例句
If you'd like to hear some new English songs, I suggest you download them from the web.
如果你想听一些新的英文歌，我建议你上网下载。
Do you usually learn French after school?
你通常在放学后学法文吗？
Excuse me. Is there a post office near here?
请问，附近有邮局吗？