练太极拳时，要把重心放低，站稳。

Liàn tàijíquán shí, yào bǎ zhòngxīn fàng dī, zhànwěn.

When practicing Tai Chi, you should lower your center of gravity and stand firmly.

公司未来发展的重心将从国内市场转向海外。

Gōngsī wèilái fāzhǎn de zhòngxīn jiāng cóng guónèi shìchǎng zhuǎnxiàng hǎiwài.

The focus of the company's future development will shift from the domestic market to overseas.

搬重物时要注意重心，否则容易摔倒。

Bān zhòngwù shí yào zhùyì zhòngxīn, fǒuzé róngyì shuāidǎo.

When lifting heavy objects, you need to pay attention to your center of gravity, otherwise you may easily fall.