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Discover LudwigThe phrase "he he" is not a grammatically correct or complete sentence in written English
It is not a proper verb or subject and does not convey a clear meaning on its own. However, it can be used as a filler phrase or interjection in spoken language to express amusement, surprise, or sarcasm. Example: "He he, that joke was hilarious!" (This use of "he he" indicates that the speaker found the joke funny.) Another example: "He he, looks like someone forgot their lunch." (Here, "he he" is used sarcastically to point out that someone made a mistake.)
Exact(37)
Modified embedding atom methods (MEAM) are developed to have predictions of the partial molar heat of solution (−Hs) by direct simulation of metal cohesion, He-metal and He–He interaction.
He he".
Should he? he replied.
Did he?" (He did).
He he he he he he!" Time for another martini.
He," he said, "might call.
Similar(23)
Figure 5 The He-He potential curves: [He-He]+q@C60 (open circle); the ground-state dihelium cation He2 + (filled circle; insert).
We continue this comparison of [He-He]+q moiety embedded into C60 with the dihelium cation He2 +1 in Figure 5 by comparing their He-He potential curves.
Interestingly, the He-He bond length in [He-He]+0.02@C60 −0.02 contracts to 1.175 Å that is considerably smaller than the vdW-bond length in the He2 dimer.
In this regard, let us compare the He-He stretching mode νHe-He in the studied endofullerene with νHe-He expt = 1,698.5 cm−1 of the dihelium cation [57-59] [57-59] [He-He]+0.02@C60 −0.02 νHe-He contributes to the collective modes centered at 495.7, 504.8, and 531 cm−1.
And he-he enjoyed it.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com