Microstratification
微细分层现象
🗣️ 情景例句
Don't be such a grouch.
不要总是牢骚满腹。
Beauty is potent; but money is omnipotent.
美丽是有力量的，但金钱更有权威。
As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape.
由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。