Unstable nucleus
[电] 不稳定核
🧩 词语组成解析
🗣️ 情景例句
She was caught in the branches of our tree.
被我们家树上的树枝夹住了。
What is the way to the airport?
哪一个方向是去飞机场？
In 1893 New Zealand was the first nation in modern times to allow women to vote, long before many other countries.
3年，新西兰是第一个在近代就允许妇女参加选举的国家，这比许多其他国家要早得多。