Aag
abbr. 美国地理学家协会（Association of American Geographers）；高射炮（Anti-Aircraft Gun）
🗣️ 情景例句
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
We'll start with an orientation video. It runs about 15 minutes.
我们将从一个电视简报开始，大概放15分钟。
We can handle an order that size very easily.
这种量我们做起来很容易。