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
the American Society for the Prevention of Cruelty to Animals.
美国禁止虐待动物协会。
Although it rains, throw not away your watering pot.
纵然天下雨，休把水壶丢。
They don't often have a bad day this year.
他们今年的运气还不错。