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电机工程师\\n[化] 对映体过量
🗣️ 情景例句
How do you feel today?
今天感觉如何？
His presence in the room was not noticed.
没有人注意到他在房间里。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。