barrier it中文什么意思

• 障壁沙嘴

• barrier:    n. 1.栅，栅栏，隔栏，障壁，隔板 ...
• it:     it2 pron. (s ...
• barrier noise barrier noise barrier wall:    防音墙

例句与用法

1. To break through these four barriers it is vital to give children a properly balanced diet that can ensure a sufficient intake of balanced nutrients to promote healthy growth
   要打破以上四重成长障碍，必需从根本入手，改善偏食习惯，吸取均衡营养，孩子才能健康快乐地成长。