to inflate
to swell
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→peng2zhang4 • péngzhàng
to expand
expand, expands, expanding, expanded, to inflate, inflate, to swell, swell
热水 让 空气 膨胀。
Hot water makes the air expand.
轮胎 膨胀 得 太 多 了。
The tire expanded too much.
这 个 城市 快速 膨胀。
This city is expanding rapidly.