The cocoons are heated (加热), and the silkworms are killed inside them. Then the cocoons are put into water to make the silk loose(松散的). The silk from three or four cocoons is put together and made into a thread(线). One cocoon can make a thread 1 kilometre long! 4 And the...
They loved silk and would like to pay a lot of money for it. The Chinese kings used to 5 how to make silk a secret. Anyone who told the secret or took silkworms (蚕) out of China would be killed. So the secret of silk making was kept unknown 6 200 BC. Then, some other ...
Silk was also popular among foreign people.They loved silk and would like to(4) B a lot of money for it.The Chinese kings used to keep how to make silk a secret.Anyone who told the secret or took silkworms(蚕)out of China would be killed.So the secret of sil...
The cocoons are heated and the silkworms are killed inside them. Then the cocoons are put into water to make the silk loose(松散的),The silk from three or four cocoons is put together and made into a thread (线). One cocoon can make a thread 1 kilometer long!
About3,000 silkwormsmust be killed to make just 1 pound of silk, according to PETA — so just because it's biodegradable does not mean it's sustainable. Source: Getty Images Bamboo We’re not talking about the stuff thatpanda bearseat… not entirely, anyway.Bamboofabric is made by allowin...
Some don't wear wool because it harms the sheep, don't use silk because it hurts silkworms, and don't eat honey because they do not want to hurt bees. Other vegetarians only eat vegetables; however they do not kill plants. For example, they will not eat carrots or potatoes because ...
本题的句话的意思是蚕茧被煮沸,这杀死了蚕,which代指的是The cocoons are boiled 这一个句子,也就是说这个蚕茧被煮沸这一行为作为主语,这一行为杀死了蚕,所以用的是主动语态,如果silkworms做主语是,谓语部分才能用被动。希望助助的回答对你有帮助,加油~ ...
they raise their heads and begin to spin their cocoons – a process that takes 2 to 3 days. These cocoons are next harvested and boiled to loosen the silk filaments. Look away animal rights activists; the silk worms are killed in the boiling process, but do not go to waste as they are...
don t use silk because it hurts silkworms,and don t eat honey because they do not want to hurt bees. Other vegetarians only eat vegetables;however they do not kill plants. For example,they will not eat carrots or potatoes because when you pick them,the plants die. They will eat apples ...
cause of diseases in humans.When the French silk market was threatened by a disease to silkworms (蝉),Pasteur decided to investigate.He discovered that this disease was caused by germs.By killing them from the silkworm farms,he was able to cease the disease and save the French silk business...