Once or twice
一两次, 几次
🧩 词语组成解析
or
[ɔ:,ə]
conj. 或，或者;还是;不然，否则;左右;
prep. <古、诗>在…之前，比…更早;
n. [纹章]黑金色、黑色;
🗣️ 情景例句
I'd like to introduce myself; my name is Mr. Cobain, and I'm vice president.
我来介绍我自己，我是科本先生，是这儿的副总裁。
When the light went out, I was cleaning the yard.
当熄灯的时候，我在清理庭院。
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。