Kelex
一种萃取剂
🗣️ 情景例句
This is Alexandra Pappas, and this is my grandson Robbie,
这是Alexandra Pappas ，这是我孙子Robbie
Mike is already a junior.
迈克已经大学三年级了。
Here is a shopping list so you won't forget anything, she said.
“这是购货单，这样你便不会遗漏什么东西，”她说。