Hedta
[化] 羟基乙二胺三乙酸
🗣️ 情景例句
He's a terrific doctor, Mom.
爸爸是个了不起的医生， 妈妈。
Do you often doubt yourself?
你时常怀疑自己吗？
As the play draws to its close, they wonder whether they will ever catch that last train home.
当戏快演完时，他们又为是否能赶上末班火车回家而犯愁。