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
My computer was infected by a virus, I guess since I didn't have firewall installed.
我的电脑受到病毒感染了，我想是因为我没装防火墙。
Now that I have to stand up to introduce myself.
我不得不站起来介绍一下我自己。
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。