中英视频
贴心提醒
(手指在框内上下滑动即可查看)
英文文稿
0:06Aleathermaskthatclampsthemouthshut.0:09Acannonballsewnintoasoldier’suniform.0:12Andamachinethatdeliverssuddenelectricalpulses.0:16Theseolditemswereallintendedtreatments0:19foraproblemthathashauntedhumanityformillennia:0:23snoring.0:24Itmightseemharmless,butsnoringcanbeasignofsomethingmoredangerous.0:29So,whatexactlycausessnoring?Andwhendoesitbe
