sail towards another vessel, of a ship
同义词：bear down on
Nevertheless, if it is a crucial part, that suggests lead pollution should be borne down upon even more heavily than it is already.
ECONOMIST: ADHD and lead
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。