调查员伪装成临时工潜入工厂,记录夜间排污的证据。Diàocháyuán wěizhuāng chéng línshí gōng qiánrù gōngchǎng, jìlù yèjiān páiwū de zhèngjù.The investigator disguised himself as a temporary worker and infiltrated the factory to record evidence of night-time discharge.
小偷趁夜潜入库房,偷走了一些设备。Xiǎotōu chèn yè qiánrù kùfáng, tōu zǒu le yīxiē shèbèi.The thief sneaked into the warehouse at night and stole some equipment.
他慢慢地潜入水中,去看海底的珊瑚。Tā mànmàn de qiánrù shuǐ zhōng, qù kàn hǎidǐ de shānhú.He slowly slipped under the water to look at the coral on the seabed.