be extra短语³³⁷⁰⁹ 基本例句 花费额外的钱 Diabetics have to be extra careful about controlling blood- sugar levels. 糖尿病患者不得不小心控制好血糖水平。 yeeyan That way, perhaps, they have to be extra careful. 那样子的话，可能他们得更加小心点了。 ecocn Be extra careful with your valuables; loss and theft are evident this week. 小心照看你的贵重物品；本周肯定会有失窃发生。 hjenglish