🧩 词语组成解析
n. 大型三明治
n. 卡米高（地区名）；卡迈克尔（人名）
🗣️ 情景例句
I major in English and minor in French.
我主修英语，副修法语。
It's hard to say.
难说。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。