Replacement vector
[机] 置换载体
🧩 词语组成解析
🗣️ 情景例句
San Francisco General Hospital.
这里是旧金山总医院。
Grasp the thistle firmly.
毅然处理困难局面。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。