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
We'll set up our tents over there by the edge of the woods.
我们在林边搭帐蓬。
I'll pick up ticket at the airport counter.
我会在机场柜台拿机票。
But I advise you to check your bag every evening before going home.
但是，我劝你每晚回家前检查下自己的包。