4周搞定2000+托福核心词
秘密；秘诀；机密","adj. 秘密的；机密的","n. (Secret)人名；(法)塞克雷"]
secret
常考释义
Now, even though it may be difficult to understand how a huge mass of ice can move or flow, it’s another word for it, it’s really known that no secret that the glaciers flow because of gravity.
现在，即便了解大型冰川如何移动或漂浮这个现象有些困难，而这已经不再是一个秘密，冰川其实是靠地心力来漂浮的。
来源于：听力OFFICIAL7 L4n. 秘密
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