4周搞定2000+托福核心词
海豹
seal
常考释义
But because the contents of the envelopes could easily be forgotten, two-dimensional representations of the three-dimensional tokens were impressed into the surface of the envelopes before they were sealed.
但是因为信封的内容可以轻易被遗忘，在他们被封存之前，三维符号的二维代表被刻在信封的表面。
来源于：阅读OFFICIAL53 P1vt. 封上，密封；封闭
The bark was stretched over frames made from tree branches, stitched together and sealed with resin.
树皮在用树枝做好的框架中进行延展，然后缝合在一起通过树脂密封好。
It's then carefully sealed into one of these.
然后这些血样会被小心封存。
来自《真凶密码 第1季第2集》
图片源自网络
But because the contents of the envelopes could easily be forgotten, two-dimensional representations of the three-dimensional tokens were impressed into the surface of the envelopes before they were sealed.
但是因为信封的内容可以轻易被遗忘，在他们被封存之前，三维符号的二维代表被刻在信封的表面。
来源于：阅读OFFICIAL53 P1n. 海豹
The dark head of a seal bobbed up a few yards away.
在几码远处一只海豹的黑脑袋猛地钻出水面。
I extracted some DNA from the seal myoglobin gene.
我从海豹的肌红蛋白基因提取了一些DNA。
来自《真凶密码 第1季第1集》
图片源自网络
However, unlike the cases of sea otters and pinnipeds (seals, sea lions, and walruses, whose limbs are functional both on land and at sea), it is not easy to envision what the first whales looked like.
然而，和海獭及鳍足类动物（四肢水陆两用如海豹，海狮，海象）等不一样，很难想象世界上第一只鲸长什么样。
来源于：阅读OFFICIAL2 P2Thus there are no New Zealand snakes, and bats, which flew there, and seals, which swam there, were the only mammals on New Zealand when Polynesian settlers (the Maori) arrived there about a thousand years ago.
因此新西兰没有蛇，飞过去的蝙蝠和游过去的海豹是新西兰上仅有的哺乳动物，这种状况一直持续到波利尼西亚人（毛利人）一千年前抵达那里之前。
来源于：阅读OFFICIAL39 P2vt. 用(水泥等)填充(或堵死)
The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
雨水对松散土壤的冲击会把细小的粘土颗粒冲到土壤空隙中，从而堵塞了土壤并降低了土地表层水的渗透率。
The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
雨水对松散土壤的冲击会把细小的粘土颗粒冲到土壤空隙中，从而堵塞了土壤并降低了土地表层水的渗透率。
来源于：阅读OFFICIAL2 P1n. 章；图章；玺；印记
The letter bore the president's seal.
信上盖有总统的印章。
The technological knowledge needed to carved it was far superior to that for stamp seals, which had happened in the early Neolithic period (approximately 10,000-5000 B.C.E.).
相对于新石器时期（大约是公元前10000-5000年前）的封章，这种雕刻技术依然是很先进的。
来源于：阅读OFFICIAL27 P1vt. (加盖印封以)保证，确保
They sealed their cooperation by an agreement.
他们以协议书的方式保证其合作的成功。
vt. 决定，确定，使(交易等)成交；使解决
He held out his hand to seal the bargain.
他伸出手来表示成交。
vt. 批准；(加印)表示赦免
The motion was sealed by the parliament.
该项协议获得了国会的批准。
vt. 盖戳；在…上加盖检验封印
All goods were sealed.
所有货物都加盖了检验合格封印。
n. 密封垫（或带等）
Only drink bottled water and check the seal isn't broken.
只喝瓶装水，并且要看封口开了没有。
n. 封蜡；封铅；封条；火漆
He broke the wax seal and unrolled the paper.
他揭去封蜡，把纸卷展开。
n. 表示确认的事物；保证；信物
The project has been given the government's seal of approval.
项目已由政府正式批准。
seal ring
印章戒指
mechanical seal
[机]机械密封
slurry seal
稀浆封层；沥青封层
seal in
封入
seal of
证明；保证
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