Lows
n. 低频
🗣️ 情景例句
Genetically modified foods and green foods are different.
经基因改良的食物与绿色食物是不同的。
A good maxim is never out of season.
至理名言不会过时。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。