Lacked
v. 缺乏, 缺少( lack的过去式和过去分词 )
🗣️ 情景例句
Morning, Marilyn.
早安， Marilyn。
Me too. I was hoping we could put this bicycle together for Tom's birthday.
我也希望如此，我本来希望买这辆自行车做为送给汤姆的生日礼物。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，