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
I'm afraid I stayed too long.
恐怕我呆得太久了。
When I traveled to a foreign country, I was very aware that I was a Chinese.
当我出国旅行时，我非常明白自己是一名中国人！
OK, Mom! said Lucy.
“好的，妈妈！”露西说。