Tolurin
維生素B1
??? 情景例句
My company was the contractor.
我的公司承包了這項工程。
We continued to struggle up the steep slope of the mountain.
我們為了攀登山的陡坡，不斷地倍嘗辛勞。
A young English writer made the pertinent observation a year or two back
一兩年前，一位年輕的英國作家發表了中肯的看法。