Clickety-clack
n. 咔嗒咔嗒的聲音
?? 詞語組成解析
clack
[[kl?k]]
v. 噼啪響\\nn. 噼啪響
??? 情景例句
It's beautiful.
它很漂亮。
Surely.
肯定是。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，這是化學(xué)實驗室。你們以前到過這個實驗室嗎？