Leftmost substring
[计] 最左子串
🧩 词语组成解析
a. 最左边的
[计] 子串
🗣️ 情景例句
A son and his wife and their three children--my grandchildren.
有个儿子， 还有儿媳妇以及他们的三个孩子，我的孙儿女们。
Who laughed a while ago?
刚才谁在笑？
He's upstairs.He's having a bath.
他在楼上。他正在洗澡。