Tracing ball
[计] 跟踪球
🧩 词语组成解析
n. 描摹, 描图, 追踪\\n[计] 跟踪
ball
[bɔl]
n. 球;棒球（投手投出的）坏球;拇指球;舞会;
vt. 做成球状，使成团块;（指男性）和（女性）交媾（美式英语）;
vi. 呈球形，成团块;[美国俚语、口语]狂欢作乐，消遣;尽情作乐，尽情地玩;
🗣️ 情景例句
I really enjoyed the meal.
我真的吃得很高兴。
Is there a subway station nearby?
这附近有没有地铁车站？
Just then, the gaoler appeared with the precious letter in his bands.
这时狱卒上场，手里拿着那封珍贵的信。