SAC
/sæk/
★☆☆☆☆托福英语词汇
📖 中文释义
- n. 囊, 液囊, (美)战略空军司令部
- [医] 囊, 袋
🧩 词形变化
复数 sacs
💬 双语例句
In an orb-web-weaving spider, you can find seven types of silk glands, and what I have depicted here in this picture, let's start at the one o'clock position, there's tubuliform silk glands, which are used to make the outer silk of an egg sac.
喺圆网蜘蛛里面 你可以揾到七种丝腺体 即系我喺呢张图描述咁 我哋从一点钟位置开始睇 𠮶啲系小管状嘅丝腺体 负责制造卵囊体外丝
The puzzling thing is that this is not the first time either country has veered into an economic cul-de-sac. It has been said that only barbers learn on other people’s heads, but some countries seem unable to learn even from their own experience.
令人费解的是,这两个国家已经不是第一次在经济上走入歧途。 人们说,只有理发师才需要从别人的脑袋上学习经验,但一些国家似乎无法从自己的经验中得到教训。 这种自我毁灭的最深层原因或许无法定义。 但它肯定可以描述出通向地狱之路是如何铺就的,无论其最初意图是什么。
🔵 同义词
🔗 常用搭配
📘 English Definition(英文释义)
- n. a structure resembling a bag in an animal