interloper

音標(biāo)發(fā)音

The interloper, though, has never been found—until now.
不過(guò)，這另一半闖入者直到現(xiàn)在才發(fā)現(xiàn)。
He’s a man with many secrets, which he won’t even reveal to a friendly Italian priest (Paolo Bonacelli) who takes an interest in the foreign interloper.
他是個(gè)身藏諸多秘密的男人，他甚至不愿意把這些秘密對(duì)一個(gè)對(duì)外國(guó)闖入者很有興趣的意大利牧師（保羅·波那切利）訴說(shuō)。
However, the scientists’ description of the interloper—“N. miliaris tends to aggregate at the surface to form large, slimy green patches”— is certainly consistent with the bloom shown in this image.
然而，科學(xué)家們對(duì)這種夜光藻犯境的描述——“它們?nèi)菀自谒婢奂?，形成大片粘滑的綠色斑塊”——與這幅圖像中顯示的水華現(xiàn)象吻合。

This second pathway results in the production of further lymphocytes which attack the interloper.
ECONOMIST: Transplant surgery
Unaffected by the African-queen-bee's scent, which normally maintains her majesty's monopoly on reproduction, the interloper activated her ovaries.
ECONOMIST: African honeybees
The interloper evidently must bargain for services that used to be her perquisite.
NEWYORKER: The Seething Hell

someone who becomes involved in an activity or a social group without being asked, or enters a place without permission

If you describe someone as an interloper, you mean that they have come into a situation or a place where they are not wanted or do not belong.