Vfr
abbr. [航]目视飞行规则（visual flight rules）
🗣️ 情景例句
Without my glasses, I'm as blind as a bat.
没有眼镜， 我就像个蝙蝠一样瞎。
Can you keep an eye on the baby while I go shopping?
你能否在我上街买东西的时照看一下孩子？
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.
此后不久，英国著名的“挑战者”号舰艇对海底的那次考察，把对海床的研究确立为一个值得一流物理学家和地质学家从事的研究课题。