H-vector
[电] H向量
🧩 词语组成解析
🗣️ 情景例句
How many days will it take for my mail to reach its destination?
我的信件到达目的地要用几天？
I'll be back in 5 days.
我五天之后回来。
After lunch Aunt Huang came in and she looked worried.
午饭后黄阿姨来了，她面带愁容。