Compare the physical properties of the two substances.

　　比較一下這兩種物質(zhì)的物理特性。

　　Are you going to cooperate or do we have to get physical?

　　你是合作呢，還是要我們動手？

　　Drugs taken during pregnancy may cause physical deformity in babies.

　　妊娠期服用的藥物可能引起嬰兒身體畸形。

　　In the field of classical music, he still reigns supreme.

　　在古典音樂領(lǐng)域，他仍然是最為杰出的。

　　Classical landscapes were a popular subject with many 18th century painters.

　　古典風(fēng)景畫是18世紀許多畫家所喜歡用的題材。

　　'Swan Lake' is one of the great classical ballets.

　　《天鵝湖》是一部偉大的古典芭蕾舞劇。