If-then operation
[计] 蕴含操作, 如果则操作
🧩 词语组成解析
if
[if]
conj. 如果，倘若;即使;〈口〉是否;假设;
n. 条件，设想;
then
[ðɛn]
adv. 那时;然后;那么;话说回来;
adj. 当时的;那时的;
🗣️ 情景例句
If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓， 应该用 'Mr。' 来称呼他。
One foot is better than two crutches.
一只脚胜过两根拐杖。
Later it crossed the Channel, riding smoothly over the waves, which presented no problem.
后来气垫船跨越英吉利海峡，平稳地在波浪上方行驶，波浪不再产生阻力。