Perfects
v. 使熟练( perfect的第三人称单数 ); 使完全; 使…完美; 充分地指导（告诉）
🗣️ 情景例句
Thank you. Good-bye. Bye, Gerald.
谢谢。再见。Gerald 再见。
Stop looking for excuses.
不要再找借口了！
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。