Dgps
差分GPS系统
🗣️ 情景例句
I like this song very much, in terms of its rhythm and melody.
我很喜欢这首歌，喜欢它的节奏和旋律。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
That sounds a silly suggestion,
这听起来似乎是一种愚蠢的想法，