B complex
复合维生素b
🧩 词语组成解析
🗣️ 情景例句
I hope that he will succeed.
我希望他会成功。
His bad English is a bar to his getting a job.
他的英语很差，这是他找工作的一个障碍。
It soon became clear that the straight part of the dance changed when the sun's position changed. If the feeding place was toward the sun, the dancer headed straight upward during the straight part of the wagging dance.
情况很快就弄清了，舞蹈的直线部分是随着太阳位置的变化而变化的。