評論
打印
1、occur
發(fā)生
If headaches only occur at night, lack of fresh air and oxygen is often the cause.
如果只是在晚上頭疼，那常常是由于缺乏新鮮空氣和氧氣的緣故。
The crash occurred when the crew shut down the wrong engine.
機務人員關錯了引擎，隨即飛機墜毀。
存在；出現(xiàn)；有
The cattle disease occurs more or less anywhere in Africa where the fly occurs.
在非洲凡是有這種蠅蟲的地方，幾乎都會出現(xiàn)這一牛病。
These snails do not occur on low-lying coral islands or atolls.
在地勢低平的珊瑚島或環(huán)礁上沒有這種螺。
（想法或主意）被想到，被想起，浮現(xiàn)于腦海中
It did not occur to me to check my insurance policy.
我沒有想到要核實我的保險單條款。
It occurred to me that I could have the book sent to me.
我想到可以讓人把書寄給我。
2、carry out
實施；執(zhí)行；實行
The Social Democrats could still carry out their threat to leave the government.
社會民主黨人仍有可能將其退出政府的威脅付諸實施。
Police say they believe the attacks were carried out by nationalists.
警方說,他們認為襲擊是民族主義分子發(fā)動的。
