Metal insert
[機] 金屬嵌入物
?? 詞語組成解析
metal
['m?tl]
n. 金屬;金屬元素;成色;金色;
vt. 以金屬覆蓋;
insert
['?ns?t]
vt. 插入;嵌入;（在文章中）添加;加插;
n. 添入物（尤指一頁印刷品圖中插入或套印的小圖）;（書報的）插頁;插入物;添加物;
in進入+sert加入，插入→加入進來→插入
??? 情景例句
Oh, it was nothing. I'm glad she liked it.
嗯，小意思。她喜歡就好。
Little pigeons can carry great messages.
少年也可以成大事。
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年還要派狗到雪山地里去幫助那些遇到困難的旅游者，