[网络] 云杉ap蚜
(spruce gall aphid 的复数)

英语听力：自然百科大迁徙之繁衍生息 Need to Breed—17

Even fearsome wasps high in treetops, are no match for the implacable ants. They watch helplessly as their own larvae are stripped from their honeycomb cribs. Now, the porters take up their burdens, they carry the movable feast back to the unquenchab

发表于:2018-12-03 / 阅读(54) / 评论(0)

自然百科2011年

幼儿英语童谣朗读第36期:五只小瓢虫

Five Little Ladybugs 五只小瓢虫 Five little ladybugs climbing on some plants. 五只小瓢虫爬上植物。 Eating the aphids, but not the ants. 只吃蚜虫，不吃妈蚁。 The first one said, Save some aphids for me. 第一只说，给我留些

发表于:2019-01-01 / 阅读(34) / 评论(0)

幼儿英语童谣朗读

Asian Lady Beetle

By Mario Ritter Broadcast: November 4, 2003 This is Steve Ember with the VOA Special English Agriculture Report. There are lots of insects that farmers hate. But there also are some they like. These p

发表于:2019-01-02 / 阅读(59) / 评论(0)

VOA2003（下）-农业与经济

AGRICULTURE REPORT - Biological Controls, Part 1

AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

发表于:2019-01-30 / 阅读(52) / 评论(0)

农业与发展

VOA慢速英语20060411a

AGRICULTURE REPORT - Insects Eating Your Crops? Call on a LadybugBy Mario Ritter Broadcast: Tuesday, April 11, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. There are lots of i

发表于:2019-01-30 / 阅读(35) / 评论(0)

2006年慢速英语（四）月

留美老师带你每日说英文第601期:水其实也不那么干净

台湾籍旅美老师今天交给我们的句子是： Water left outside can also start growing algae and host mosquito larvae, which will make you sick and is gross to think about, but not as gross as thinking about the dust inside your house landi

发表于:2019-02-22 / 阅读(42) / 评论(0)

留美老师带你每日说英文

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学英语单词

82430HX

a pretty hash

a.o.o.

activated-charcoal glass fibre filter

associated point defect