??? 情景例句
On a studect visa, full-time work is not permitted.
持學(xué)生簽證的話，不允許做全職工作。
That deep sigh could only express Helen's sadness.
那深深的嘆息，不外乎表示出海倫的悲哀。
and near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.
在這個(gè)地帶的低處是很長的一段尾沙地段，基本上可以斷定這個(gè)地段是大陸塊體上侵蝕下來的物質(zhì)被水沖到深水處形成的。