Apparently, it was this devoiced, “whispered” w for which Middle English scribes, under French influence, invented the spelling wh-.

显然，正是由于这个清音化，“whispered”中的w在中古英语的文书中，受到法语的影响，发明了拼写wh-。

youdao

Introduce a new system to measure and control the process of gas production, in which single chip computer is used to replace wh - ZB automatic controller to accomplish this task.

介绍一种新的煤气制气过程检测控制系统。该系统采用单片机取代WH - ZB自控机来完成检测控制任务。

youdao

Post Office Ltd said the relocation followed successful trials of six post offices in WH Smith stores, which will be extended to a further 32 locations this year.

BBC: RELATED BBC SITES

To end these inefficiencies, WH Smith has decided to use its own wholesale operation, which already supplies more than 40% of the market, to establish a national distribution system.

ECONOMIST: Battle of the newsagents