Word: 重心 (zhòngxīn) 重心 dictionary entry zhòngxīn focus; center of gravity; centroid Full dictionary entry for 重心 Example sentences using 重心 2 sentences, showing page 1 of 1. 坐船时重心要低一点。 Zuò chuán shí zhòngxīn yào dī yìdiǎn. When you're on a boat, keep your center of gravity low. 骑车时，重心要放低一点。 Qíchē shí, zhòngxīn yào fàng dī yìdiǎn. When riding a bike, keep your center of gravity a bit lower.