Depthometer
n. 深度计
🗣️ 情景例句
Which university do you attend?
你在哪所大学读书？
Nothing is impossible to willing mind (or heart).
有志者事竟成。
In his twenties Frank used to make spare parts for aeroplanes.
20多岁的时候，弗兰克曾生产飞机零配件。