1. The political situation remains highly unstable.
政局仍然十分动荡。
《牛津词典》
2. The situation is unstable and potentially dangerous.
情况不稳定，可能有危险。
《柯林斯英汉双解大词典》
3. She was physically delicate and psychologically unstable.
她身体纤弱，而且心理也不稳定。
《柯林斯英汉双解大词典》
4. Nitrogen is an unstable element.
氮是一种不稳定的元素。
youdao
5. So evanescent and unstable are men's works in this world!
在这个世界上，人的工作是这样的短暂和不稳定！
youdao
6. In the unstable Middle East, Israel is the one anchor of stability.
在不稳定的中东，以色列就是稳定的支柱。
youdao
7. Unfortunately, the polyurethane foam he used is inherently unstable.
不幸的是，他使用的聚氨酯泡沫本身就不稳定。
youdao
8. Surrounded by open ocean, it is also vulnerable, but Antarctic experts disagree strongly on just how unstable it is.
它被广阔的海洋包围，也很脆弱，但南极专家对它的不稳定程度存在强烈分歧。
youdao
9. Poured concrete retains walls work well in the heavy or unstable soil and steep slopes, making other walls inadvisable.
在重质或不稳定的土壤和陡峭的斜坡上，浇注混凝土挡土墙效果良好，让其他墙成为不明智的选择。
youdao
10. This place gets its name from a Creek Indian word, which refers to the unstable floating islands that are common within the swamp.
这个地方的名字来源于克里克印第安语，指的是沼泽中常见的不稳定的浮动岛屿。
youdao
11. If their population is tracked through time, it will be seen to be particularly unstable—soaring and plummeting in irregular cycles.
如果对它们的数量进行时间记录，就会发现它是很不稳定的——以不规则的周期急剧上升下降。
youdao
12. This combination is unstable and quickly rearranges itself into a stabler, but still reversible, substance known as an Amadori product.
这种混合物是不稳定的，会迅速重新排列成一种稳定但仍然可逆的物质，这种物质被称为阿马多里产物。
youdao
13. We are usually tired already by the time we get on a plane, and the crowded space and unstable internet connection make work more challenging.
当我们上飞机的时候，通常已经很累了，而拥挤的空间和不稳定的网络使工作更具挑战性。
youdao
14. Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
数学模型也揭示了食物网可能是不稳定的，顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。
youdao
15. To take an extreme example, farmlands dominated by a single crop are so unstable that one year of bad weather or the invasion of a single pest can destroy the entire crop.
举个极端的例子，以单一作物为主的农田是如此不稳定，一年的坏天气或单一害虫的入侵可以摧毁整个作物。
youdao
16. The energy absorbed by the chlorophyll molecules of the unstable autumn leaf is not immediately channelled into useful products and processes, as it would be in an intact summer leaf.
