🧩 词语组成解析
folding
[fəuldiŋ]
adj. 可折叠的;
v. 折叠，对折交叠( fold的现在分词 );包围;包起;笼罩;
saw
[sɔ]
n. 锯;谚语，格言;
vt.& vi. 往复移动;锯成;用锯;拉锯;
v. 看见（ see的过去式）;观看;领会;考虑;
🗣️ 情景例句
So, what were you two talking about?
你们俩刚才谈什么了？
Two or three of them look familiar.
我认识他们中的两三个。
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）