Vier
n. 競爭者
??? 情景例句
It's a great college.
那是一所好大學(xué)。
Nothing is impossible to a willing mind.
世上無難事，只怕有心人。
It effectively spread the disease all over the continent and drastically reduced the rabbit population.
蚊子把這種疾病擴散到整個澳洲大陸，效果甚佳，結(jié)果兔子的數(shù)目大為減少。