trench n. 特伦奇〔姓氏〕。 vt. 掘沟,开畦沟;掘翻(田地),深耕;【军事】掘壕沟,用战壕防守;【木工】作沟槽;切断,切开。 vi. 【军事】挖战壕,掘壕前进 (down; along); 切断;侵犯,侵占(权利、土地等) (on; upon); 接近 (on; upon)。 n. 沟,渠;【军事】战壕,壕沟;【林业】防火线。 a cover trench 掩蔽壕。 a fire trench 散兵壕。 mount the trenches 进战壕布防。 open the trenches 掘战壕,开沟。 relieve the trenches 和战壕里的兵换班。 search the trenches (用开花弹等)攻击战壕
The Yap Trench is an oceanic trench near Yap Island in the western Pacific Ocean. The trench forms the part of the Pacific Ring of Fire between the Palau Islands and the Mariana Trench.