Variable-area track
[电] 可变区域轨迹
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
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
Thank you. I appreciate your help.
谢谢！很感谢你的帮助。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
Don't worry! said Ah Fang.We're safe. Don't be afraid. Let's go for a walk.
“不用担心！”阿芳说，“我们很安全。别害怕，我们去散散步吧。”