Oscillograpg
[机] 示波图
🗣️ 情景例句
ready for the graduation ceremony,
为毕业典礼做准备，
The school awarded Merry a prize for her good work).
学校因为她工作好而奖励了梅丽。
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。