Tracers
(tracer 的復數) n. 追蹤者, 描圖者, 描繪工具\\n[計] 跟蹤程序
??? 情景例句
If you can't handle this job by yourself, I'm just a phone call away.
若你不能自己處理這件事的話，就打個電話給我吧。
He that runs fastest gets the ring.
捷足先登。
The group of girls all moved on and had a good drink of tea together, from a modern thermos!
這一群女孩一塊兒去享受了一番茶水。她們用得是現代的熱水瓶！