Effects of manganese stress on phytolacca americana growth and development .
锰胁迫对垂序商陆生长发育的影响。
But it does mark the end of the pax americana - the era in which the united states more or less maintained a monopoly on the use of military force .
但是这场战争的确标志着美国主导的世界秩序的终结在这一时期,美国几乎享有对军事力量使用的垄断地位。
There is also a concern that the stability provided to pax americana by this regime for three decades will be torn apart .
也有人担心这个政府维护了30年的“美式和平”的稳定局面会因此支离破碎。
Protection effects of periplaneta americana extract on acute liver injury in mice .
美洲大蠊醇提物对小鼠急性肝损伤的保护作用。
Any of various shrubs or small trees of the genus corylus , especially the european species c. avellana or the american species c. americana , bearing edible nuts enclosed in a leafy husk .
榛木一种榛属灌木或小乔木,尤指欧洲的黄灰榛或美洲的美洲榛,产有包裹在叶状的外壳中的可食用的果实。
At a time when some american marketers are playing down their origins abroad , general motors has been promoting chevrolet in europe with a bit of americana .