Cream of tartar 酒石 , a weak acid, can be added to egg whites to help them foam泡沫 when they are beaten
A、whippedA
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All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.
The wheels of the first road vehicles were fashioned from crude stone disks.
Formerly , in the United States, many nurses worked as private duty nurses rather than in hospitals.
DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.
Ella Grasso, elected governor of Connecticut in 1974, supported the enactment (given, granted) of a freedom-of-information law.
