rush nut

常見例句

• Nutgrass can still be problematic because there is enough energy stored in the nut to allow young seedlings to puncture the mulch and emerge.
  莎草仍然是個(gè)難題，因爲(wèi)在堅(jiān)硬的果實(shí)中儲(chǔ)有足夠能量使其幼苗穿透薄膜而生長(zhǎng)。
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