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
Good.
好。
I ate too much candy. I have a toothache.
我吃了太多的糖果。牙齿在痛哩。
She herself read them to me by spelling into my hand what was written in the book.
她亲自通过在我手上拼写书中的内容，把课本对我读出来。