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
Robbie, the dinner was terrific.
Robbie，晚餐真是棒透了。
You're excused.
不要紧。
wants agreement on general principles, which could be applied to many types of products and perhaps extended to other countries.
则希望就普遍的原则取得一致，而这些原则适用于许多不同产品，同时可能延伸到其它国家。