常見(jiàn)例句雙語(yǔ)例句As with the mountain bark beetle, it is not entirely clear why this is happening.至於山地樹(shù)皮甲蟲(chóng),現(xiàn)不完全清楚爲(wèi)什麼會(huì)發(fā)生這種蟲(chóng)害役情。One hypothesis is that the yellow cedar decline may be caused by insect parasites, specifically the cedar bark beetle.其中一個(gè)假說(shuō)認(rèn)爲(wèi)黃杉數(shù)量下降是由以衫皮甲蟲(chóng)爲(wèi)代表的寄生害蟲(chóng)導(dǎo)致。blog.sina.com.cnHe could see the beetle under the bark, and draw it forth unharmed for us to squint at through the magnifying glass.他能看到樹(shù)皮下的甲蟲(chóng),竝把它毫發(fā)無(wú)傷地捉下來(lái),放在放大鏡下讓我們看。權(quán)威例句As with the mountain bark beetle, it is not entirely clear why this is happening.ECONOMIST: Getting warmer 返回 bark beetle