Tetracyanoethylene
四氰乙烯
🗣️ 情景例句
May I ask where you are from?
我可以请问你是哪里人吗？
By the time we got there,the play had already begun.
等我们到那里，戏已经开始了。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。