Less-than operation
[计] 小于运算
🧩 词语组成解析
less
[les]
adj. 较少的（little的比较级）;较小的;较次的，较劣的;较不重要的;
adv. 较少地，较小地;
prep. 减去;少掉;不足;
n. 较少，较小;
than
[ðæn; ðən, ðn]
conj. 比（用于比较级）;宁愿…而不愿;除…以外;一…就;
prep. 超过;比;
🗣️ 情景例句
They're open until nine o'clock.
他们开到九点。
Whatever happens, don't go back.
不管什么事情发生，你都不要回来。
However, it was his turn to be surprised,
没料到这回该轮到他自己吃惊了。