Telemitron
電子放電管
??? 情景例句
I'm afraid i have a complaint to make.
恐怕我要提點意見。
Silence is learnt by the may misfortunes of life.
沈默是通過生活中的許多不幸而學會的。
This continental slope usually starts at a place somewhere near the 100-fathom mark
一般是從差不多100英尋水深的地方開始的，