Hef
abbr. 高能成形（High-Energy Forming）；人胚纤维母细胞
🗣️ 情景例句
A gift from me.
这是我的一件礼物。
You'll scare the baby if you shout.
你若大声喊叫，会吓着婴儿的。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。