adj. 批評的,愛挑剔的;關鍵的;嚴重的;極重要的;
?? crit判斷,分辨+ical...的 → 批評的;危險的
"Now that the situation becomes critical, one must keep calm."
事到臨頭, 要沉住氣.
近義:key, momentous, significant, weighty, winning, watershed
反義:idle, immaterial, inane, inconsequential, inconsiderable, ineffective
adj. 害怕的;擔心的;恐怕;畏懼,害怕;
?? 詞根af-向,詞綴raid打、襲擊,“擔心挨打
"It's all over. There's nothing to be afraid of now."
一切都結束了。現在沒有什么可怕的了。
近義:apprehensive, intimidated, nervous, awed, awestricken, awestruck
反義:intrepid, mettlesome, nervy, audacious, plucky, rash
n. 食物,食品;糧食;養料;資料;
"Vitamin D is necessary to aid the absorption of calcium from food."
從食物中吸取鈣需靠維生素D的幫助。
近義:meal, mess, nourishment, nutrient, nutriment, nutrition