Unennenium
[化]199号元素
🗣️ 情景例句
And this is Alexandra Pappas.
这位是Alexandra Pappas。
I've got it!
我接住了！
But even the mosquito has been subdued by attention to drainage and by chemical sprays.
然而即使蚊子，也由于我们注意清理污水和喷洒化学药品而被制服了。