Posiode
正溫度系數熱敏電阻
??? 情景例句
but our schedules won't allow it.
但我們的工作時間表不允許這樣。
In college I majored in science, What was your major?
大學時我主修自然科學，你主修什么呢？
You two seem to know each other.
你們倆似乎認識。