Tracers
(tracer 的复数) n. 追踪者, 描图者, 描绘工具\\n[计] 跟踪程序
🗣️ 情景例句
You're late.
已经迟了。
What do you recommend?
你推荐什么？
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。