Hehe
vt. 呵呵（笑）
🗣️ 情景例句
With a shortage of chromosomes, a developing fetus will likely grow into a child with down syndrome.
如果缺省染色体，一个处于成长阶段的胚胎可能发育成一个具有不良综合症的小孩。
Are you crazy?
你疯了吗？
What seems to be the delay in shipping?
你们出货延迟了，是什么原故呢？