常見例句a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite. 稀土屬金屬元素,用于激光中,見于磷灰石、獨居石、磷釔礦和硅鈹釔礦中。a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite 稀土屬金屬元素,用于激光中,見于磷灰石、獨居石、磷釔礦和硅鈹釔礦中a metallic element of the rare earth group;used in lasers;occurs in apatite and monazite and xenotime and ytterbite. 稀土屬金屬元素,用于激光中,見于磷灰石、獨居石、磷釔礦和硅鈹釔礦中。1.a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite. 稀土屬金屬元素,用于激光中,見于磷灰石、獨居石、磷釔礦和硅鈹釔礦中。10. a metallic element of the rare earth group;used in lasers;occurs in apatite and monazite and xenotime and ytterbite. 稀土屬金屬元素,用于激光中,見于磷灰石、獨居石、磷釔礦和硅鈹釔礦中。 返回 ytterbite