Bivectorial
双矢
🗣️ 情景例句
Is he still with IBM?
他还在IBM工作吗？
Do you ever do exercises on Saturday?
你曾经在星期六做练习吗？
It is not a simple competition for a fixed amount of food determined by the physical environment,
它已不是为了争得物质环境所决定的有限食物而进行的简单竞争了，