Stratotype
层型
🗣️ 情景例句
tomatoes, lettuce, cucumbers, and onions.
蕃茄 莴苣 黄瓜 洋葱 。
I was born in China and brought up in the U.S.A.
我出生在中国，在美国长大。
In a few minutes he returned with my bag and gave it back to me.
一会儿工夫他拿着我的提包回来了，把它还给了我。