Quartan
a. 每第四天复发的\\nn. 三日症
🗣️ 情景例句
What else?
还有什么？
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
I examined one of the pens closely.
我仔细察看了一枝钢笔，