1. | carry out observations observ... ... a man of no observation 没有观察力的人 carry out observations 进行观察 accurate observations 精确的观察报告 ... www.chinabaike.com|基于10个网页 |
2. | making observation 中一的science word ~~急 - Yahoo!知识+ ... 15 making observation 进行观察 16 making hypothesis 设定假设 ... hk.knowledge.yahoo.com|基于 1 个网页 |