“驗電器”造句

圖4 - 2就是目前實驗室里的驗電器樣式.
Figure 4 - 2 shows a present - day laboratory version of the electroscope.

驗電器的葉片慢慢張開.
The leaves of the electroscope slowly diverge.

圖 4-2 就是目前實驗室里的驗電器樣式.
Figure 4 - 2 a present - day laboratory version of the electroscope.

• #驗電器