1.at once 立刻；马上；立即

He took off at once and headed back to the motel.
他立刻离开，回到汽车旅馆]L%tz~EbSxCc!CUN=7GX。

Remove from the heat, add the parsley, toss and serve at once.
端离炉子，加上欧芹，颠起翻面后就立刻上桌r=E,Lcocvm4;8xw*]IGo。

2.such as 例如；诸如

Issues such as these were not really his concern.
他其实并不关心诸如此类的问题S7CtTyzfbu。

They offer tips on topics such as home safety.
他们就家居安全等问题提供建议7)ES2#%x7*uel!3。