Geoplane
激光扫平仪
🗣️ 情景例句
When was your last complete physical?
上一次全身检查是什么时候？
Storms make trees take deeper roots.
风暴使树木深深扎根。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。