Nonvariational
非变分的
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
Union is strength.
团结就是力量。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。