Activity vector
[计] 活动向量
🧩 词语组成解析
🗣️ 情景例句
She's off today.
她今天休假。
I don't know, sir, but I guess the computer made some mistake.
不知道呀，好像是电脑出了故障了。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。