Bfv
abbr. bovine factor V 牛凝血因子V
🗣️ 情景例句
I thought he was retired
我原以为他退休了
His health has been lousy.
他的健康状况近来很糟。
Most cats remain suspicious of humans all their lives.
在它们的一生中，大多数猫都对人存有戒心。