Ebola-free的例句（Ebola-free在句子中的用法）

• The maintenance programme will additionally seek to keep the sites free of graffiti. 这个维护方案还会试图保护这些地点不被涂鸦。
• While economists are free to theorise, company chairmen are concerned with actualities. 经济学家们可自由创建理论，公司总裁们则关心现实情况。
• These shrubs must have an acid, lime-free soil. 这些灌木必须生长在不含石灰的酸性土壤环境。
• Science, on Weber's account, is an essentially value-free activity. 按照韦伯的说法，科学在本质上是一种价值无涉的活动。