急诊室护士在同时分诊三名危重病人时，神情始终沉稳。
The emergency room nurse kept a stolid face while triaging three critical patients at once.
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解释
在混乱紧急情况下保持镇定，不露情绪
The emergency room nurse kept a stolid face while triaging three critical patients at once.
在混乱紧急情况下保持镇定，不露情绪