Tuesday, September 18, 2012

Be very cautious about airborne chemicals. (對於懸浮在空氣中的化學物質,要非常小心而且謹慎。)



Be very cautious about airborne chemicals.
對於懸浮在空氣中的化學物質,要非常小心而且謹慎。


Be very cautious about airborne chemicals. (
對於懸浮在空氣中的化學物質,要非常小心而且謹慎。)

對於懸浮在空氣中的化學物質,要非常小心而且謹慎。(Be very cautious about airborne chemicals.)


湯偉晉(WeiJin Tang) 親筆寫於 西元 2012-09-18

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