Interpupillometer
目距仪
🗣️ 情景例句
You don't need to call a plumber, I can fix the sink.
你不必请水管工人了，我会修水槽。
To graduate from the university
大学毕业
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。