Dgps
差分GPS系统
🗣️ 情景例句
Well ... we ...
嗯……我们……
Idleness is the root of all evil.
懒惰乃万恶之源。
People change, but they don't suddenly chnge from being right-handed to being left-handed.
人会变，但他们不会从惯用右手而突然转变成左撇子的。