Skylan:But you can do my O-chem paper in under an hour.
史凯兰：但是你会在一个小时内做完我的有机化学作业。
Traces of surface corrosives are, however, necessary for the chem. ical reaction to take place.
少量的表面锈蚀是漆膜的化学反应发生的必要条件。
Traces of surface corrosives are, however, necessary for the chem. ical reaction to take place.
少量的表面锈蚀是漆膜的化学反应发生的必要条件。
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