Boundary following
[计] 边界跟踪
🧩 词语组成解析
following
['fɑloɪŋ]
adj. 后面的，其次的;下列的;顺风的;
n. 崇拜者，拥护者;下列，如下;跟随;随球;
prep. 随后，在…以后;
v. 跟随，接着(follow的现在分词);
follow 跟随 + ing 表示行为、状态、情况及其他 → a.接着的；下列的
🗣️ 情景例句
Hi.
嗨。
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复，该盘撤消。
Then in 1989, twenty-six years after the crash, the plane was accidentally rediscovered in an aerial survey of the island.
于是，到了1989年，飞机失事26年后，在对小岛的一次航空勘查中那架飞机被意外地发现了。