Life is a test and this world a place of trial. Always the problems- or it may be the same problem will be presented to every generation in different forms. 人生是一種考驗，而這個(gè)世界就是考場(chǎng)。每一代都要面對一些問(wèn)題－－可能是相同的問(wèn)題－－只不過(guò)問(wèn)題的形式不同。
A specific crystalline form of a compound that can crystallize in different forms. 多晶形(物)一種能以不同形式結晶的化合物的特殊晶形
The occurrence of different forms, stages, or types in individual organisms or in organisms of the same species, independent of sexual variations. 多態(tài)性; 多型現象不受性別差異影響，在有機個(gè)體或同種物種的有機體中出現不同形態(tài)、階段或類(lèi)型
Ice, snow and steam are different forms of water. 冰、雪和蒸汽是水的不同形態(tài)。
