容。常用短語：a question of substance 實質(zhì)性問題；have substance 有道理，有根據(jù)，有內(nèi)容。The function of the root of a plant is to fix the plant in its place and to take in water and food substance present in the earth.植物根的功能是將植物固定在所處的位置，并從土壤中吸收水及營養(yǎng)物質(zhì)。A good chemical laboratory is equipped with precision instruments and supplies of many chemical substances. 一個好的化學實驗室應配有精密儀器，并有充足的各種化學物質(zhì)供應?！?BR> 4、maybe, possibly, perhaps, probably
這四個詞都可表示“可能性”。
maybe：“可能，也許”，比其余的幾個詞更為隨便和不正式，可能性不大，也可以表示一種非常委婉,禮貌的建議或要求。如：You could put it over there, maybe. 也許你可以把它擱在那邊。He didn't feel quite right; maybe he got sunstroke. 他覺得不太好；也許是有點中暑。The doctor thinks maybe we'd better have a minor operation. 醫(yī)生認為也許我們做個小手術(shù)。
possibly：“可能地，或者，也許"，可能性較大。用于否定句和疑問句時表示 "無論如何"之意。She expressed regret for any inconvenience which might possibly be caused.她為任何可能造成的不便而深表歉意。I couldn't possibly have finished typing such a long document in such a limited period of time. 無論如何，我也不可能在如此有限的時間內(nèi)打完這么長的文件。
這四個詞都可表示“可能性”。
maybe：“可能，也許”，比其余的幾個詞更為隨便和不正式，可能性不大，也可以表示一種非常委婉,禮貌的建議或要求。如：You could put it over there, maybe. 也許你可以把它擱在那邊。He didn't feel quite right; maybe he got sunstroke. 他覺得不太好；也許是有點中暑。The doctor thinks maybe we'd better have a minor operation. 醫(yī)生認為也許我們做個小手術(shù)。
possibly：“可能地，或者，也許"，可能性較大。用于否定句和疑問句時表示 "無論如何"之意。She expressed regret for any inconvenience which might possibly be caused.她為任何可能造成的不便而深表歉意。I couldn't possibly have finished typing such a long document in such a limited period of time. 無論如何，我也不可能在如此有限的時間內(nèi)打完這么長的文件。