Tachygraphometer
供测量用的带照准仪的速测仪
🗣️ 情景例句
I would like to open a checking account.
我想开一个支票户头。
Time and words can never be recalled.
消逝的时间和说出的话不能追回。
Are your grandparents still living?
你的祖父母还在么？