-
(单词翻译:双击或拖选)
a. The teacher is writing on the chalkboard
c. The classroom is empty
d. The students are eating lunch
点击
收听单词发音
收听单词发音
1
standing
|
|
| n.持续,地位;adj.永久的,不动的,直立的,不流动的 | |
参考例句: |
|
|
|

















