左右异向的...

电路管，双面印刷电路...

adj.代表两种人种的（尤指黑人与白人）...

airbreaking的音标：airbreaking的英式发音音标为：[eəb'reɪkɪŋ]airbreaking的美式发音音标为：[erb'reɪkɪŋ]...

太平洋套...

Barnes was resolved to moving on when his contract expired.合同到期以后，巴恩斯决定做点别的。He endured excruciating ago-nies before he finally expired.在最终离世前他经受了极大的痛苦。The period of validity of the agreement has expired.本协议的有效期已过。...

v.包围，环绕( encircle的现在分词 )...