Electrokinetograph
动电计; 电动测速仪; 电动流速仪
🗣️ 情景例句
Good night, Grandpa.
晚安， 爷爷。
Better good neighbours near than relations far away.
远亲不如近邻。
Excuse me for ringing you so late in the evening, but I've only just got home.
对不起，这么晚给你打电话，我刚到家。