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[医] 特殊溶性物质(多糖半抗原)
🗣️ 情景例句
I'm too sick to even get out of bed.
我病得都下不了床了。
She is now on vacation.
她正在休假。
As the floods had put the telephone out of order, we could not find out how they were managing.
由于洪水造成了电话中断，我们无法了解他们情况。