China's manned submersible Jiaolong departed from south China's Shenzhen for deep-sea dives in the northwestern Pacific Ocean on Tuesday.
中国载人潜水器蛟龙号周二离开深圳港，开赴太平洋西北部海域进行深海潜水。
During the mission, which runs until June 18th, the submersible is expected to conduct nine deep dives in the Yap and Mariana trenches.
The Yap Trench has a depth of over 8,500 meters, and Mariana Trench, the deepest known point in the Earth's oceans, has a depth of over 11,000 meters.
The scientists plan to study deep-sea biotic communities and gene resources in the mission.
Jiaolong completed a dive in the northwestern Indian Ocean earlier this year during the mission's first stage.
相关单词：trenches
trenches解释：深沟，地沟( trench的名词复数 )； 战壕
trenches例句：
life in the trenches 第一次世界大战期间的战壕生活
The troops stormed the enemy's trenches and fanned out across the fields. 部队猛攻敌人的战壕，并在田野上呈扇形散开。
相关单词：trench
trench解释：n./v.(挖)沟，(挖)战壕
trench例句：
The soldiers recaptured their trench.兵士夺回了战壕。
The troops received orders to trench the outpost.部队接到命令在前哨周围筑壕加强防卫。
相关单词：gene
gene解释：n.遗传因子，基因
gene例句：
A single gene may have many effects.单一基因可能具有很多种效应。
The targeting of gene therapy has been paid close attention.其中基因治疗的靶向性是值得密切关注的问题之一。
