Compound sum
出国 Abroad[经] 复利本利和
🧩 词语组成解析
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
They always were,
他们过去如此，
My brother has a bad headache.
我的兄弟患严重的头疼。
But I'm learning to skate. What's the weather like in Australia?
不过我正在学溜冰。澳大利亚天气怎样？