abbr.滴滴涕（殺蟲劑），二氯二苯三氯乙烷（=Dichloro-Diphenyl-Trichloroethane）
DDT molecules in water tend to migrate to the surface. 在水中滴滴涕分子趨向于向水面移動。
It would be tempting to think that the lessons of DDT have been heeded. 它將容易讓人想起曾令人關(guān)注的滴滴涕教訓(xùn)。
