Visicalc
[计] 软件包
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
The roof has leaks in it,and the front step need to be fixed.
房顶有漏缝，并且前面台阶需要修理。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。