单词:phosphorimidic acid
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He had a 9 p.m. flight. He hated to fly. A passenger plane is always crowded. It is always full. Passengers are jammed together. They are packed together. Side by side. Elbow to elbow. Front to back. Knees to butts. Five hours from California to New
Double, Double play pause stop mute unmute max volume 00:0005:28repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. OPHIRA EISENBERG, HOST: Now it's time to
D in danger 在危险中,垂危 out of danger 脱离危险 out of date 过期 to date 到目前为止 up to date 时新的 a great/good of 大量(的),许多(的) in debt 欠债,欠情 take delight in
今天我们要学的词是double check。 Double check, 是复核的意思。The teacher told her students to double check their answers before handing in the exam, 老师告诉学生们,交卷之前应该反复检查自己的答案。They double
D in danger 在危险中,垂危 out of danger 脱离危险 out of date 过期 to date 到目前为止 up to date 时新的 a great/good of 大量(的),许多(的) in debt 欠债,欠情 take delight in
今天我们要学的词是double check。 Double check, 是复核的意思。The teacher told her students to double check their answers before handing in the exam, 老师告诉学生们,交卷之前应该反复检查自己的答案。They double