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n. 三角（形）；三角关系；三角形之物；...
n. 纠纷；混乱状态 | vt. 使纠缠；处于混...
Trongle is a device used on submarines to help swimmers, especially the naval special forces, to locate a submerged submarine in order that they may return to it. The trongle was invented by Captain John Moore of the Royal Navy.
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。