美[??k?] 1 . If these drugs are stopped abruptly then some withdrawal symptoms may occur .
如果突然停服這些藥，則可能出現一些戒斷癥狀。
來自柯林斯例句
2 . Keep a pad handy to jot down queries as they occur .
手邊放一本便箋簿，以便有問題時隨時記下。
來自柯林斯例句
3 . Nitrates are chemicals that occur naturally in water and the soil.
硝酸鹽是水和土壤中自然存在的化學物質。
來自柯林斯例句
4 . Emergency cooling systems could fail and a reactor meltdown could occur .
緊急冷卻系統有可能失靈，核反應堆有可能發生堆芯熔毀。
來自柯林斯例句
5 . Unless you respect other people's religions, horrible mistakes and conflict will occur .
如果不尊重別人的宗教信仰，就會禱下大錯，釀成沖突。
來自柯林斯例句
1.come to pass;
What is happening?
2.come to one's mind; suggest itself;
It occurred to me that we should hire another secretary
3.to be found to exist;
sexism occurs in many workplaces
阿 occur:[ə'kə:] vi. 珂 1、發生 2、發現，被發現；存在 3、被想到，被想起 occur 指“發生”時可與 happen 換用，但后接to sb./sth.時，兩者含義不同：occur to sb./sth. 指某種思想等呈現于某人的知覺中。
