1 You can also get sufficient protein from plant-based foods if you eat a variety of them throughout the day. 2  Plant sources include soy products and meat substitutes, legumes, lentils, nuts, seeds and whole grains. 3  Vitamin B-12 is necessary to produce red blood cells and prevent anemia.
Learner's definition of LECTURE. [count] 1. : a talk or speech given to a group of people to teach them about a particular subject. a lecture about/on politics. She's planning to give/deliver a series of lectures on modern art. Several hundred people are expected to attend the lecture.
1. tending to manifest or express one's feelings easily or unreservedly. 2. (foll by: of) serving as proof; indicative. 3. involving or characterized by demonstration: a demonstrative lecture. 4. conclusive; indubitable: demonstrative arguments. 5. (Grammar) grammar denoting or belonging to a class of determiners used to point out the individual referent or referents intended, such as this, that, these, and those.