Vectorcardigram
向量心电图
🗣️ 情景例句
Do you think Susan and Harry will get married?
你觉得Susan和Harry会结婚吗？
The death of wolves is the safety of the sheep.
群狼一死众羊安。
Number 13 buses run much more frequently, don't they?
13路车跑得更勤，是不是？