Isotopes
n. 核素；同位素（isotope的复数）
🗣️ 情景例句
clip it around under your collar.
将它夹在领子下方。
An old fox is not easily snared.
老狐狸难得陷罗网。
I'm afraid I must.Look at it!It's terribly dry.
恐怕我得现在浇。你看看，干得厉害。