Isn't the nonradioactive form of thallium used for rat poison?.铊的非放射性形态不是用于制造老鼠药吗？Isn't the nonradioactive form of that used for rat poison?铊的非放射性形态不是用于制造老鼠药 吗 ?...
The Alaskan ranges have a large array of simulated surface - to - air threats.在阿拉斯加宽阔的土地上有大量模拟的地对空威胁.Alaskan huskies pull dogsleds.阿拉斯加的爱斯基摩狗拉雪橇.Alaskan Malamute is a noble dog with a unique history.阿拉斯加雪橇犬是一种尊贵、有特殊历史的种类...
我试着回忆在这里度过的所有美好时光。I try to remember all the good times I've had here.他的受审重新勾起了在战争中受苦受难的法国人民的回忆。His trial revived memories of French suffering during the war.雷和我吃着饭，回忆起那次旅行。Ray and I ate our meal and reminisced about...
In the course of the evening he gave me chapter and verse on the mosses of the Islay peat bogs.整个晚上，他向我详细讲述艾莱岛泥炭沼泽地上的各种青苔。Ferns, mosses and fungi spread by means of spores.蕨类植物、苔藓和真菌通过孢子传播蔓生。The touch of the nameless dya...