Five-track reader
[计] 五单位输入机
🧩 词语组成解析
five
[faɪv]
num. 五，五个;与某人击掌问候（或庆祝胜利）;第五;
n. 五，五个;5美元钞票;[板]得五分;
adj. 五的;五个的;
track
[træk]
n. 小路，小道;痕迹，踪迹;轨道，音轨;方针，路线;
vt. 跟踪;监看，监测;追踪;
vi. 沿着轨道前进;沿着一条路走，旅行;位于一队列中;
track(draw)→足迹；轨道；线路；追踪
🗣️ 情景例句
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
Every tree is known by its own fruit.
观其言行，知其为人。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。