Esm
abbr. 放电合成法（Electric Synthetic Method）；电子保障措施（Electronic Support Measures）
🗣️ 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
Members of the press weren't allowed into the meeting.
新闻记者不得进入会场。