例句與造句

1. Are there any known cases of toxicity in humans from tetramethrin?
2. "' Tetramethrin "'is a potent synthetic insecticide in the pyrethroid family.
3. The " first-generation pyrethroids ", developed in the 1960s, include bioallethrin, tetramethrin, resmethrin and bioresmethrin.
4. :According to the references at the bottom of the tetramethrin article : and [ http : / / extoxnet . orst . edu / pips / pyrethri . htm, these chemicals are really very safe.
5. :As with most questions posted on the reference desk, the correct answer is also the most obvious : tetramethrin, methoprene and cyanide will do the job equally well . talk ) 05 : 37, 4 November 2012 ( UTC)
6. It's difficult to find tetramethrin in a sentence. 用tetramethrin造句挺難的