Retinometer
视网膜计
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
She hates boxing.
她讨厌拳击。
Fierce wars between Native Americans and European settlers broke out.
美洲土著人和欧洲殖民者之间发生了激烈的战争。