切洋蔥cut the onion

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洋蔥冷凍後再切

切洋蔥等蔬菜時，可將其去皮放入冰箱冷凍室存放數小時後再切，就不會刺眼流淚了。

Frozen and then cut the onion
When cutting onions or other vegetables , placed in the freezer for several hours before cut, it will not glare in tears.