salicylaldehydes造句

例句与造句

1. Salicylaldehydes in general may be prepared from the corresponding phenol by the Duff reaction, or by treatment with paraformaldehyde in the presence of magnesium chloride and a base.
2. It's difficult to find salicylaldehydes in a sentence. 用salicylaldehydes造句挺难的