专业英语
hxf119
第1楼2011/06/22
I am scared. I try not to use them.
qlmkk
第2楼2011/06/22
I am not scared.If you're careful, it does not matter.
金水楼台先得月
第3楼2011/06/22
ME TOO..
yuduoling
第4楼2011/06/22
the same to u
symmacros
第5楼2011/06/23
I am not scared chemical reagent in my lab.I use chemical solvents or other chemicals in fume. I should always prevent, take care in experiment.
小M
第6楼2011/06/23
A bit scared, I came cross some small incidents.
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