Actual lower bound
[计] 实际下界, 实在下界
🧩 词语组成解析
lower
['ləuə]
adj. 下方的;在底部的;较低级的;
v. 降低;减少;缩小;
bound
[baʊnd]
vi. 跳，弹跳;限制;接壤;
vt. 给…划界，限制;使弹回，使跳跃;束缚;
n. 界限，限制;跃起;（球等的）反跳;
adj. 用带子绑住的;有义务的;装订的，有封面的;[化，物]结合的;
bound(to bind)→装订好的；必定；决心的；被束缚的
🗣️ 情景例句
Here you go, sir.
可以，先生。
Jean was outspoken about her wish to be married.
琼毫不隐讳她意欲结婚的愿望。
they are not prepared even to admit the possibility that noise affects people.
甚至不愿承认噪音可能对人有影响。