-
The discovery of infrared ray is a big jump of mankind's development.
红外线的发现是人类对自然认识的一次飞跃。
youdao
-
New Discovery a hillbilly was visiting the big city for the first time.
新发现一个乡下人第一次到大城市游逛。
youdao
-
New Discovery a hillbilly was visiting the big city for the first time.
新发现一个乡下人第一次到大城市游逛。
youdao