Np product
[电] 电子电洞浓度乘积
🧩 词语组成解析
[医] 镎(93号元素)
🗣️ 情景例句
And very good-looking, like his mother.
也很漂亮 ，像他妈妈。
A mean boy teases the dog.
一个淘气的男孩在捉弄着狗。
She is cut out for that job.
她很适合那个工作。