Monotube
單管的, 直流的
??? 情景例句
I knew I could rely on you mate.
伙計，我重新奪得我可以信賴你。
Who can best handle the problem?
誰能將那問題處理得最好？
I often visited The Gables when I was boy.
我小時候常去“山墻莊園”作客。