📚 句中词汇解析
从本句中提取的重要词汇
n. 活动;活跃，敏捷;活动力;教育活动;
💡 act行动，做+ivity状态→活动
"The streets were noisy and full of activity."
街上熙熙攘攘，车水马龙。
近义：motion, action, job, occupation, profession
反义：idleness, inaction, inertia, laziness, leisure, otioseness
n. 潜艇;海底生物;
adj. 水下的，海底的;
vt. 用潜艇攻击;
vi. 驾驶潜艇;划入底下;
💡 sub在下面+marine海洋的→在海下面→海底的；潜水艇
"Within a short time, everything on the submarine was buttoned up."
不一会儿, 潜水艇内所有的东西都扣紧了.
近义：sub, subaquatic, undersea, underwater, hero
n. 观察;观察力;评论;观察所得;
💡 ob加强动作+serv服务，保持+ation名词后缀 → 观察
"Most information was collected by direct observation of the animals' behaviour."
大部分信息都是通过直接观察动物的行为收集到的。
近义：inspection, perusal, scrutiny, study, consideration, note
反义：applause, approbation, assent, nodding, o.k., ok
vi. 爆裂，炸破;使爆炸;充满，塞满;爆发;
vt. 使爆炸;冲破，胀破;分帧，分页，分隔;
n. 爆炸;爆裂;爆发;突发;
💡 爆死它（谐音）： 爆炸 bur(burn燃烧)+st(翻转）：燃烧翻转- 爆炸
"That balloon will burst if you blow it up any more."
你再给气球充气，它就要爆了。
近义：pop, blast, blow, detonate, explode, rupture
adv. 立刻，马上;一会儿，不久;快;宁愿;
💡 速(谐音): 迅速
"The whole building was soon ablaze."
整栋大楼很快就熊熊燃烧起来。
近义：hereupon, apace, immediately, promptly, pronto, quickly
反义：langsyne, lately, whilom, yesterday, yesteryear, yore