Contactinterval
[机] 接触间距
🗣️ 情景例句
You're sure Alexandra's going to be surprised?
你确定Alexandra会很惊讶吗？
He majored in Computers.
他主修计算机。
I've lost my science book. Have you seen it anywhere?
我的自然科学书丢了。你在哪看见了吗？