🧩 词语组成解析
a. 有细齿的, 锯齿状的
leaf
[lif]
n. 叶子;页;叶状的结构;金属薄片;
vt.& vi. 翻书（报）;
vi. 生叶;
🗣️ 情景例句
And let's not forget our cassette player and some tapes.
还别忘了带上我们的卡式录音机和一些录音带。
It's just a mosquito bite.There's nothing to worry about.
只是一只蚊子咬的伤口， 不要担心。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，