Coherer
n. 粉末檢波器
??? 情景例句
What about your arms? Lift your arms up like this.
你胳膊怎么樣?手抬起來， 像這樣。
I feel blue at the news.
我聽到這消息而悶悶不樂。
OK. I'll bring it to school in the morning.
沒問題。明早我帶到學校。