Once and again
其它 Other一而再, 再三
🧩 词语组成解析
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
again
[ə'ɡɛn]
adv. 再一次;再说;此外;不过;
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
Nothing stake, nothing draw.
不顶千里浪，哪来万斤鱼。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：