Solution vector
[计] 解向量
🧩 词语组成解析
🗣️ 情景例句
Being a mother is not easy,
当一个母亲真不容易，
He can't come and he sends his apologies.
他为他的不能前来致歉。
At night, families often stay in the open air near their houses.
晚上很多人家常呆在附近户外。