Spirule
螺旋线尺, 根轨迹仪
🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
Go three blocks and make a right. It's right there.
过3个街区，然后往右拐。那里就有个邮局。
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。