sù
go upstream, go against current; formerly
to go upstream; to trace the source; variant of 溯
Ideographic: To seek the source 朔 of a river 氵
Made of 氵 + 朔
山上的老教堂的历史可以追溯到12世纪。
shān shàng de lǎo jiào táng de lì shǐ kě yǐ zhuī sù dào 1 2 shì jì 。
The old church on the hill dates back to the twelfth century.
若追根溯源,绝大多数美国人都是移民。
ruò zhuī gēn sù yuán , jué dà duō shù měi guó rén dōu shì yí mín 。
Most Americans are descended from immigrants.
诉速苏素稣宿俗塑肃酥粟夙愫