Empty set

[计] 空集

🧩 词语组成解析

empty [ˈɛmptɪ]
adj. 空的,空虚的,空洞的;空闲的,无效的,徒劳的;无聊的,愚蠢的;言语或行动空洞的; vt. (使)成为空的, 把…弄空;把…腾出来; vi. 成为空的;流空; n. 空车;空的东西;
set [sɛt]
vt. 放置,安置;使处于某种状况;设置;摆放餐具; vi. 落山;出发;凝结; n. 一套,一副;集合;布景;电视机; adj. 固定的;位于…的;顽固的;安排好的;

🗣️ 情景例句

Where did you receive your master degree?
你在哪里获得硕士学位的?
Alice did not look at the students.
爱丽斯没有看到学生。
On our way home that night I looked down and saw that the necklace was not around my neck any more. I told Pierre. We rushed back to the palace and looked for it.We asked everyone there if they had found a necklace, but without luck. We couldn't find it;
那天晚上在回家的路上,我低头一看,发现项链不再挂在我的脖子上了。我告诉了比尔。我们马上赶回王宫去寻找。我们询问了那儿的每一个人,问他们是不是拾到了一条项链。可是,真倒霉。我们找不到那条项链;它丢失了。
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