Cornocentin
马来酸麦角新碱
🗣️ 情景例句
You don't need to call a plumber, I can fix the sink.
你不必请水管工人了，我会修水槽。
No matter where you go you'll hear English spoken.
不管你到哪里，你总会听到英语。
Hello. Here's your eraser. Thanks very much!
给你橡皮。谢谢。