氢
+
氢弹
Simplified
氢弹
Traditional
氫彈
Pinyin
qīng dàn
Definition
H-bomb; hydrogen bomb
听说他研究氢弹？
Tīngshuō tā yánjiū qīng dàn?
I heard he researches the hydrogen bomb?
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弹
tán
to pluck (a string); to play (a string instrument); to spring or leap; to shoot (e.g. with a catapult); (of cotton) to fluff or tease; to flick; to flip; to accuse; to impeach; elastic (of materials)
HSK5
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