Quartan parasite
[医] 三日疟原虫
🧩 词语组成解析
a. 每第四天复发的\\nn. 三日症
🗣️ 情景例句
She is busy now.
她正忙着呢。
I'm afraid that the item isn't what we're looking for.
我恐怕这种产品不是我们所要找的。
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.
是的，因此在地板牢固前，我们必须防止人们从地板上行走。可能还需要竖一个布告牌，写上“不得践踏”。还有，我们必须在墙上钻一个电线孔。