Scientists are constantly developing new terminologies.

　　科學家不斷發展新的`專門用語。

　　The sun is constantly evaporating the earth's moisture.

　　太陽使地球上的濕氣不斷蒸發。

　　I was constantly ill, with a baffling array of symptoms.

　　我不斷地生病，還伴有一大堆莫名其妙的癥狀。