Null vector
[化] 零矢; 零模矢
🧩 词语组成解析
🗣️ 情景例句
Remember my apple pie on Thanksgiving?
记得在感恩节我做的苹果派吗？
He irons sweaters every day.
他每天都烫衣服。
There's a talk on cancer that might be quite interesting, so perhaps I'll go to that.
有个关于癌症的报告可能很有意思，也许我会听听。