Learn phrasal verbs to improve your conversational English! I " call on you" to learn these common expressions that you can use in your ... ... <看更多>

「On call」制度讓護理人員想約會都很難！ 遇缺不補的醫療單位，為了彈性運（ㄧㄚ）用（ㄓㄚˋ）人力資源，因此衍伸出萬惡的「On Call」（待命）制度。 ... <看更多>

"On" refers to the medium: Call me on my cell phone. Call me on the walkie-talkie. "At" refers to the destination: Call me at home. ... <看更多>