Midperpendicular
舯垂线
🗣️ 情景例句
No, thank you.
不， 谢谢 。
I asked him to go to the store, but he wouldn't
我请他去商店，但是他不肯。
So while the rest of the world was trying to get rid of mosquitoes, Australia was encouraging this one.
因此，世界上其他地方在设法消灭蚊子的时候，澳大利亚却在促使这种蚊子大量繁殖。