v. 发生( occur的过去式和过去分词 ); 被想起; 被发现; (尤指基督教节日与别的节日)适逢同日
🗣️ 情景例句
Right.
对。
Watch me!
看好喔!
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.