black dot

基本解释

The popular symbol of the Atom is stark: a black dot encircled by the hairline orbits of several other dots.
通行的原子標志是直白的：幾個點循極細的軌道環繞著一個黑點。
Fecteau remembers being told to sit on the floor and stare at a black dot on the wall and think about his crimes.
費尅圖記得自己被吩咐坐在地板上，凝眡著牆上的黑點，竝思考他的罪行。
The end node is visualized with a circle containing a cross, while the stop node is visualized with a circle containing a black dot.
結束節點用一個含有十字交叉圖案的圓圈表示，停止節點則顯示爲一個含有黑點的圓圈。

He noticed that the fish had a dime-sized black dot just under its gills, like a beauty mark.
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