Vecton
矢量粒子
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
Hello. Is Mrs.James in, please?
喂，请问詹姆斯太太在家吗？
Has Ian sold his house yet?
伊恩已指他的房子卖掉了吗？