Ack-ack
n. 高射炮
🧩 词语组成解析
[计] 确认字符, 肯定, 确认
[计] 确认字符, 肯定, 确认
🗣️ 情景例句
My job is not an easy one,
我的工作是不轻松，
Having this new branch means a great deal to the economy of both countries.
这家分行的建立将对两国的经济交流起到很大的作用。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。