E-vector
[电] -E向量
🧩 词语组成解析
🗣️ 情景例句
What currency do they use in U.S.A.?
在美国人们用什么货币？
She fears Tom will drop out of school.
她担心汤姆会休学。
What shocked him most was that the men who carried him were black.
最使他感到惊奇的是，把他运走的人都是黑人。