knocking
基本解釋
- n.爆震音;卡答卡答的故障聲音
- vbl.敲;擊
英漢例句
- A war came knocking on your door.
一個戰(zhàn)爭受到在你的門上爆震音的影響。 - They found that knocking out the gene in fetal mice whose hematopoietic systems had already formed caused hematopoietic stem cells to disappear.
他們發(fā)現(xiàn)擊昏已經(jīng)形成造血系統(tǒng)的胚胎小鼠的基因會引起造血干細胞的消失。