Desta
abbr. diaminodiethylsufide tetraacetic acid 硫化二氨基二乙基四二酸
??? 情景例句
Are you married or single?
你結婚了還是單身？
May I see your Identification card?
我能看你的身份證嗎？
We don't need it until next month.
我們要到下個月才用得著。