Sceptron
频(谱)比(较)识别器
🗣️ 情景例句
and you won't get so many colds anymore.
你就不会老患感冒了。
Pile the hay in the corner.
把干草堆到边上。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。