例句與造句

1. Methoxyethane is a colorless gaseous ether with a medicine-like odor.
2. Unlike the isomers of propanol, methoxyethane has an oxygen connected to two carbons rather than to one carbon and one hydrogen.
3. Thus, CH 3 OCH 3 is methoxymethane, and CH 3 OCH 2 CH 3 is methoxyethane ( " not " ethoxymethane ).
4. Methoxyethane is an ether, not an alcohol, because it lacks a hydroxyl group, and it has chemical properties more similar to other ethers than to either of the above alcohol isomers.
5. It's difficult to find methoxyethane in a sentence. 用methoxyethane造句挺難的