The flower bud of a water lily 百合 opens at sunset since .its opening is triggered(commence) .by the decreased light.
A、alleviated减轻C
暂无解析
Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.
An oversight 遗漏 (miss, overslaugh) in proofreading often results in printed errors.
Someseaurchins海胆havevenomous(toxin)spines
Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.
The megaphone(microphone) makes the voice sound louder because it points sound waves in one direction and keeps them from spreading out in all directions.
