1705107321
13
1705107322
1705107323
gravel
1705107324
1705107325
/ˈɡrævəl/
1705107326
1705107327
n. 砂砾；砂砾层；结石
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1705107329
• We bumped up and down along the gravel path. 我们沿砾石小路颠簸而行。
1705107330
1705107331
• The workers covered the road with gravel. 工人用砂砾铺路。
1705107332
1705107333
14
1705107334
1705107335
pathway
1705107336
1705107338
1705107339
n. 路，径
1705107340
1705107341
• The pathway was rough and covered with little stones. 这条路高低不平，铺满了小石头。
1705107342
1705107343
15
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1705107345
irrigation
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1705107347
/ˌiriˈɡeiʃən/
1705107348
1705107349
n. 灌溉；冲洗法
1705107350
1705107351
• We used the money to set up an irrigation project. 我们把钱用在兴建灌溉工程上了。
1705107352
1705107353
• irrigate vt. 灌溉
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1705107355
16
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1705107357
grain
1705107358
1705107359
/ɡrein/
1705107360
1705107361
n. 谷物，谷类；谷粒
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1705107363
• We ship grain to Africa. 我们把谷物运往非洲。
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1705107365
• grain imports 粮食进口
1705107366
1705107367
• a grain of sand 一粒沙子
1705107368
1705107369
17
1705107370
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