Classifying
[經] 分類
? 同義詞
??? 情景例句
International travel involves a lot of waiting around in airports.
經常在機場等候是環球旅行的一部分。
Have you send him any pencils?
你送他鉛筆嗎？
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期記錄地震波的儀器（測震儀）正是采用了這種思路。