He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
疯狂英语演讲真功夫卡
抛砖引玉 - 介绍演讲者之经典演讲（一）
📚 句中词汇解析
从本句中提取的重要词汇
n. 专家，能手;权威;行家，高手;熟练者;
adj. 专家的;（技术）熟练的;老手;需要专门知识（或技术）的;
vt. 以专家身份研究（或检查），像专家那样研究（或检查）;由专家审读（书籍等）;
vi. 做专家工作，担任专家，成为高手（或能手）;
💡 peri, piri 表穿过,通过,尝试#词根助记：ex出+peri→钻进去又钻出来,完全的体验→有经验的
"After asking many experts for advice , you can become an expert yourself."
问遍千家成行家.
近义：proficient, technician, ace, authority, artist, pundit
反义：ineffective, ineffectual, inefficacious, inefficient, inept, inexperienced
n. 问题;疑难问题;习题;引起麻烦的人;
adj. 成问题的;难处理的;关于社会问题的;
💡 problem- 【希腊传入拉丁】字面上表”向前抛的东西”也表问题
"His mind reached after an understanding of the problem."
他开动脑筋,想弄懂这个问题.
近义：headache, hitch, imbroglio, jam, knot, matter
反义：repair, reparation, workaround, remedy, refitting, overhauling
vt. 供给;补充;弥补（缺陷、损失等）;向…提供（物资等）;
n. 供给物;储备物质;粮食;
vi. 暂代他人职务;
💡 sup在下面+ply重叠，折叠→重叠下去→供应[下去],补给
"an adequate supply of hot water"
热水供应充足
近义：minister, munition, procure, provide, provision, purvey
反义：move, rob, take, budge, inadequacy, insufficiency
vi. 来;开始;出现;发生;
vt. 做;装扮…的样子;将满（…岁）;
int. 嗨！;
"The time has come for action if these beautiful animals are to survive."
若要使这些美丽的动物能生存下去，现在就要行动起来。
近义：impersonate, perform, personify, portray, represent, stage
反义：leave, absquatulate, retire, retreat, scat, split
n. 食物，食品;粮食;养料;资料;
"Vitamin D is necessary to aid the absorption of calcium from food."
从食物中吸取钙需靠维生素D的帮助。
近义：meal, mess, nourishment, nutrient, nutriment, nutrition