Tracer tools
[计] 追踪工具
🧩 词语组成解析
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
n. 工具, 工具菜单；工具箱（tool的复数形式）
🗣️ 情景例句
A man next to me was smoking,and smoke really bothers me.
我旁边的那个人抽烟，我受不了。
Two dogs over one bone seldom agree.
两狗啃一骨，相持难服输。
As we bumped over eh dusty track, we swerved to avoid large boulders.
我们在尘士飞扬的道路上颠簸，车子东拐西弯，以躲开那些大圆石。